**Journal**

- F. Syarifuddin,
**T. Bakhtiar**, “The macroeconomic effects of an interest-bearing CBDC: a DSGE model,”*Mathematics*, vol. 10, no. 10, 2022, pp. 1671. DOI: 10.3390/math10101671. **T. Bakhtiar**, I.R. Fitri, F. Hanum, A. Kusnanto, “Mathematical model of pest control using different release rates of sterile insects and natural enemies,”*Mathematics*, vol. 10, no. 6, 2022, pp. 883. DOI: 10.3390/math10060883.- F. Syarifuddin, A. Sakti,
**T. Bakhtiar**, “An optimal Islamic investment decision in two-region economy: The case of Indonesia and Malaysia,”*Decision Science Letters*, vol. 11, no. 1, 2022, pp. 1-10, DOI: 10.5267/j.dsl.2021.10.004. - I.R. Fitri,
**T. Bakhtiar**, “Controlling COVID-19 spread in Jakarta, Indonesia, using quarantine, testing and medical treatment,”*Kuwait Journal of Science*, Special Issue on COVID, 2021, pp. 1-22, DOI: 10.48129/kjs.splcov.12819. - N. Marpaung,
**T. Bakhtiar**, Jaharuddin, “Cost-effective optimal control analysis to co-infection model of dengue fever and typhoid fever,”*International Journal of Ecological Economics and Statistics*, vol. 42, no. 2, 2021, pp. 42-70. - M.I. Rachman, N. Nuryartono, B. Arifin,
**T. Bakhtiar**, “Optimizing crop insurance strategy as a protection tool from crop failure, due to climate change through private sector involvement,”*IOP Conf. Series: Earth and Environmental Science*, vol. 739, no. 1, 2021, pp. 012029, DOI: 10.1088/1755-1315/739/1/012029. - I.R. Fitri, F. Hanum, A. Kusnanto,
**T. Bakhtiar**, “Optimal pest control strategies with cost-effectiveness analysis,”*The Scientific World Journal*, vol. 2021, Article ID 6630193, 17 pages, 2021, DOI: 10.1155/2021/6630193. [PDF] - P.K.A. Tyas,
**T. Bakhtiar**, B. P. Silalahi, “Analysis of aggregate production planning problem with goal programming model,”*Journal of Physics: Conference Series*, vol. 1863, 2021, pp. 012005, DOI: 10.1088/1742-6596/1863/1/012005. [PDF] - I.S. Amalia,
**T. Bakhtiar**, Jaharuddin, “Minimizing the handling time in VRP with pickup-and-delivery and time windows,”*Journal of Physics: Conference Series*, vol. 1863, 2021, pp. 012002, DOI: 10.1088/1742-6596/1863/1/012002. [PDF] - I.R. Fitri,
**T. Bakhtiar**, F. Hanum, A. Kusnanto, “The characteristics and optimal implementation of mating disruption in managing pest insect population,”*Journal of Physics: Conference Series*, vol. 1863, 2021, pp. 012001, DOI: 10.1088/1742-6596/1863/1/012001. [PDF] - M.I. Rachman, N. Nuryartono, B. Arifin,
**T. Bakhtiar**, “Factors influencing farmers’ intention to participate in crop insurance,*Russian Journal of Agricultural and Socio-Economic Sciences*, vol. 9, no. 105, 2020, pp. 46-53, DOI: 10.18551/rjoas.2020-09.05. - I.R. Fitri,
**T. Bakhtiar**, F. Hanum, A. Kusnanto, “Optimal strategy in controlling non-vector pest insect using green insecticide and mating disruption with cost-effectiveness analysis,”*Journal of Physics: Conference Series*, vol. 1796, 2021, pp. 012037, DOI: 10.1088/1742-6596/1796/1/012037. [PDF] - I.R. Fitri,
**T. Bakhtiar**, F. Hanum, A. Kusnanto, “Optimization of insect management strategy using green insecticide and mating disruption,”*Proceedings of the International Conference on Industrial Engineering and Operations Management*, 2020, pp. 927–939. [PDF] - Jaharuddin,
**T. Bakhtiar**, “Control policy mix in measles transmission dynamics using vaccination, therapy, and treatment,”*International Journal of Mathematics and Mathematical Sciences*, 2020, Article ID 1561569, DOI: 10.1155/2020/1561569. [PDF] - K.F.H. Alkhoir, P. Wicaksono,
**T. Bakhtiar**, “What can we learn from the economic and social realms of global value chain? Evidence from the Indonesian electronics industry.” In B.T. Gitaharie, A.W. Lubis, A. Kuncoro, D. Handayani & E.S.A. Suryaningrum,*Contemporary Issues on Business, Development and Islamic Economics in Indonesia*, Hauppauge, NY: Nova Science Publishers, 2019, ISBN: 978-1-53616-278-3. [Page] - R.P. Manoto, P. Wicaksono,
**T. Bakhtiar**, “Indonesia in the global apparel value chain: economic and social development experience.” In B.T. Gitaharie, A.W. Lubis, A. Kuncoro, D. Handayani & E.S.A. Suryaningrum,*Contemporary Issues on Business, Development and Islamic Economics in Indonesia*, Hauppauge, NY: Nova Science Publishers, 2020, pp. 263–280, ISBN: 978-1-53616-278-3. [Page] - F.N. Diana, P. Wicaksono,
**T. Bakhtiar**, “Decent wages in global production networks: lessons learned from the indonesian apparel industry.” In T. Dartanto, B.Y. Gitaharie, D. Handayani & E.R. Shauki (Editors),*Challenges of the Global Economy: Some Indonesian Issues*, Hauppauge, NY: Nova Science Publishers, 2019, ISBN: 978-1-53616-276-9. [Page] - P. Elastic,
**T. Bakhtiar**, Jaharuddin, “An optimal control problem of knowledge dissemination,” in E. Idemudia (Ed.),*Handbook of Research on Social and Organizational Dynamics in the Digital Era*, Hershey, PA: IGI Global, 2020, pp. 461-482, ISBN: 1522589333, DOI: 10.4018/978-1-5225-8933-4.ch022. [Page] - M.N. Alatas,
**T. Bakhtiar**, F. Hanum, “Discrete optimal capital investment and financing policies in fishery resource harvesting with reserve area,”*IOP Conf. Series: Materials Science and Engineering*, vol. 567, no. 1, 2019, pp. 012011, DOI: 10.1088/1757-899X/567/1/012011. [PDF] - H.N. Ahmad,
**T. Bakhtiar**, P.T. Supriyo, “Heuristic approach for solving capacitated location-routing problems,”*IOP Conf. Series: Materials Science and Engineering*, vol. 567, no. 1, 2019, pp. 012037, DOI: 10.1088/1757-899X/567/1/012037. [PDF] - S. Maulana, F. Hanum,
**T. Bakhtiar**, “Mixed integer formulation for multiproduct maritime inventory routing problem,”*IOP Conf. Series: Materials Science and Engineering*, vol. 567, no. 1, 2019, pp. 012039, DOI: 10.1088/1757-899X/567/1/012039. [PDF] - M.A.P. Prabowo, P. Wicaksono,
**T. Bakhtiar**, “What do you want from me? Demand for skilled labor in the global value chain: The case of Indonesia’s apparel industry.” In Trinugroho & Lau (Editors),*Business Innovation and Development in Emerging Economies*, Leiden, NL: CRC Press/Balkema, 2019, pp. 299-308, ISBN: 978-1-138-35996-3, e-ISBN: 978-0-429-43338-2, DOI: 10.1201/9780429433382. [Page] - R.E. Mulyanti, P. Wicaksono,
**T. Bakhtiar**, “Fair treatment in employment of global production networks: Lessons from the Indonesian footwear industry.” In Trinugroho & Lau (Editors),*Business Innovation and Development in Emerging Economies*, Leiden, NL: CRC Press/Balkema, 2019, pp. 309-318, ISBN: 978-1-138-35996-3, e-ISBN: 978-0-429-43338-2, DOI: 10.1201/9780429433382. [Page] - F.N. Diana, P. Wicaksono,
**T. Bakhtiar**, “Decent work in global apparel production networks: Evidences from Indonesia.” In Trinugroho & Lau (Editors),*Business Innovation and Development in Emerging Economies*, Leiden, NL: CRC Press/Balkema, 2019, pp. 319-332, ISBN: 978-1-138-35996-3, e-ISBN: 978-0-429-43338-2, DOI: 10.1201/9780429433382. [Page] - P. Wicaksono, N. Hardini,
**T. Bakhtiar**, “Economic and social development in global production networks: lessons from the indonesian footwear industry,”*International Journal of Business and Society*, vol. 20, no. S1, 2019, pp. 127-144. [PDF] - A.G.I. Caroline, D.R. Nurrochmat,
**T. Bakhtiar**, “Policy implication of buffalo meat importation to beef marketing: Case of Bogor, Indonesia,”*Buffalo Bulletin*, vol. 38, no.1, 2019, pp. 147-157. [PDF] - N.L.P.E.P. Rutha,
**T. Bakhtiar**, Kirbrandoko, “The brand ambassador effectiveness on brand image and purchasing decision for OPPO F-Series smartphone,”*International Journal of Business and Management Invention*, vol. 8, no. 3/1, 2019, pp. 44-50. [PDF] - F. Hanum, M.R.N. Hadi, A. Aman,
**T. Bakhtiar**, “Vehicle routing problems in rice-for-the-poor distribution,”*Decision Science Letters*, vol. 8, no. 3, 2019 (Online First). [PDF] - K.G. Lantera, D.R. Nurrochmat,
**T. Bakhtiar**, “Strategies to increase the value added of wood trading in Indonesia,”*European Journal of Agriculture and Forestry Research*, vol. 6, no. 5, 2018, pp. 34-46. [PDF] **T. Bakhtiar**, F. Novika, Siswadi, “Variable reduction schemes based on principal component, canonical correlation, and Procrustes analyses,”*International Journal of Ecological Economics and Statistics*, vol. 39, no. 4, 2018, pp. 41-50. [Abstract]- A. Putri, D.R. Nurrochmat,
**T. Bakhtiar**, “Market Segmentation and Product Positioning Analysis of Cow Milk Processing Brand E-co Farm Bogor Agricultural University,”*Asian Journal of Scientific Research*, vol. 11, no. 3, 2018, pp. 337-343. DOI: 10.3923/ajsr.2018.337.343. [PDF] - D. Athina,
**T. Bakhtiar**, Jaharuddin, “Optimal control of malaria transmission in two regions using treatment and spraying,”*International Journal of Ecological Economics and Statistics*, vol. 39, no. 3, 2018, pp. 98-108. [Abstract] - S.N. Rayhan,
**T. Bakhtiar**, Jaharuddin, “Optimal control strategies on a TB-HIV/AIDS coinfection,”*International Journal of Ecological Economics and Statistics*, vol. 39, no. 3, 2018, pp. 28-38. [Abstract] - R. Ananda, Siswadi,
**T. Bakhtiar**, “Goodness-of-fit of the imputation data in biplot analysis,”*Far East Journal of Mathematical Sciences*, vol. 103, no. 11, 2018, pp. 1839-1849, DOI: 10.17654/MS103111839. [PDF] - F. Hanum, A.P. Hartono,
**T. Bakhtiar**, “On the multiple depots vehicle routing problem with heterogeneous fleet capacity and velocity,”*IOP Conf. Series: Materials Science and Engineering*, vol. 332, no. 1, 2018, pp. 012052, DOI: 10.1088/1757-899X/332/1/012052. [PDF] - F. Novika, Siswadi,
**T. Bakhtiar**, “The use of biplot analysis and Euclidean distance with Procrustes measure for outliers detection,”*International Journal of Engineering and Management Research*, vol. 8, no. 1, 2018, pp. 194-200. [PDF] - D.S. Hayat, L. Anggraeni,
**T. Bakhtiar**, “Efficiency analysis of bank branches: production and profitability approaches (Case study of Bank EFG Syariah),”*International Journal of Science and Research*, vol. 6, no. 2, 2017, pp. 2078-2082, DOI: 10.21275/ART20171272. [PDF] - D. Athina,
**T. Bakhtiar**, Jaharuddin, “Optimal control of malaria transmission using insecticide treated nets and spraying,”*IOP Conf. Series: Earth and Environmental Science*, vol. 58, no. 1, 2017, pp. 012027, DOI:10.1088/1755-1315/58/1/012027. [PDF] - S.N. Rayhan,
**T. Bakhtiar**, Jaharuddin, “Two-strain tuberculosis transmission model under three control strategies,”*IOP Conf. Series: Earth and Environmental Science*, vol. 58, no. 1, 2017, pp. 012025, DOI:10.1088/1755-1315/58/1/012025. [PDF] - L. Hakim,
**T. Bakhtiar**, Jaharuddin, “The nurse scheduling problem: a goal programming and nonlinear optimization approaches,”*IOP Conf. Series:**Materials Science and Engineering*, vol. 166, no. 1, 2017, pp. 012024, DOI: 10.1088/1757-899X/166/1/012024. [PDF] - M. Oktavia, A. Aman,
**T. Bakhtiar**, “Courses timetabling problem by minimizing the number of less preferable time slots,”*IOP Conf. Series:**Materials Science and Engineering*, vol. 166, no. 1, 2017, pp. 012025, DOI: 10.1088/1757-899X/166/1/012025. [PDF] - P.T. Supriyo, F. Hanum, A. Aman,
**T. Bakhtiar**, “Optimization in MSW management system: site selection of the waste-to-energy facilities,”*Far East Journal of Mathematical Sciences*, vol. 101, no. 3, 2017, pp. 473-485, DOI: 10.17654/MS101030473. [PDF] - E.H. Hutabarat, P. Sianturi,
**T. Bakhtiar**, “Mathematical Model of Dengue Infectious Diseases with Vector Control and Vaccination,”*International Journal of Engineering and Management Research*, vol. 6, no. 6, 2016, pp. 56-59. [PDF] - M. Widyastiti, A. Aman,
**T. Bakhtiar**, “Nurses Scheduling by Considering the Qualification using Integer Linear Programming,”*TELKOMNIKA Telecommunication, Computing, Electronics and Control*, vol. 14, no. 3, 2016, pp. 933-940, DOI: 10.12928/telkomnika.v14i3.2913. [PDF] - R.G. Dewi, U. Siagian, I. Hendrawan, R. Boer, L. Anggraeni,
**T. Bakhtiar**, “Low-Carbon City Scenarios for DKI Jakarta Towards 2030,” in J. Jupesta & T. Wakiyama (Editors),*Low Carbon Urban Infrastructure Investment in Asian Cities*, London: Palgrave Macmillan, 2016, pp. 61-76, ISBN: 978-1-137-59675-8, DOI: 10.1057/978-1-137-59676-5_4. [Abstract] - F. Hanum, P.P. Pratami,
**T. Bakhtiar**, “Scheduling of tollbooth collectors in a Jakarta toll road section,”*Global Journal of Pure and Applied Mathematics*, vol. 12, no. 2, 2016, pp. 1743-1751. [PDF] **T. Bakhtiar**, “Optimal intervention strategies for cholera outbreak by education and chlorination,”*Earth and Environmental Science*, vol. 31, no. 1, 2016, pp. 012022, DOI: 10.1088/1755-1315/31/1/012022. [PDF]- S.A. Lobo, Siswadi,
**T. Bakhtiar**, “Visualization of classified data with kernel principal component analysis,”*Global Journal of Pure and Applied Mathematics*, vol. 11, no. 4, 2015, pp. 2347-2356. [PDF] - F. Hanum, M.A. Romliyah,
**T. Bakhtiar**, “Exam invigilators assignment problem: a goal programming approach.”*Applied Mathematical Sciences*, vol. 9, no. 58, 2015, pp. 2871-2880, DOI: 10.12988/ams.2015.52134. [PDF] - I. Sugema,
**T. Bakhtiar**, “Effects of Commodity and Asset Bubbles on Inflation in Indonesia,” in O. Olgu, H. Dincer, U. Hacioglu (Editors),*Handbook of Research on Strategic Developments and Regulatory Practice in Global Finance*. Hershey, PA: IGI Global, 2015, pp. 312-322. ISBN: 9781466672888. DOI: 10.4018/978-1-4666-7288-8. [Abstract] **T. Bakhtiar**, Siswadi, “On the Symmetrical Property of Procrustes Measure of Distance,”*International Journal of Pure and Applied Mathematics*, vol. 99, no. 3, 2015, pp. 315-324. DOI: 10.12732/ijpam.v99i3.7. [PDF]- A. Aman, Nurisma, F. Hanum,
**T. Bakhtiar**, “Buses Dispatching Problem in Urban Transport System,”*Far East Journal of Mathematical Sciences*, vol. 96, no. 4, 2015, pp. 393-408. DOI: 10.17654/FJMSFeb2015_393_408. [Abstract] - F. Syarifuddin, N.A. Achsani, D.B. Hakim,
**T. Bakhtiar**, “Monetary policy response on exchange rate volatility in Indonesia,”*Journal of Contemporary Economic and Business Issues*, vol. 1, no. 2, 2014, pp. 35-54. [PDF] - Z. Busrah, Jaharuddin,
**T. Bakhtiar**, “Application of Homotopy and Variational Iteration Methods to the Atmospheric Internal Waves Model,” IOSR Journal of Mathematics, vol. 10, issue 5, ver. V, pp. 46 – 53, 2014. DOI: 10.9790/5728-10554653. [PDF] - R.G. Putri, Jaharuddin,
**T. Bakhtiar**, “SIR-SI Model of Malaria Disease with Application of Vaccines, Anti-Malarial Drugs, and Spraying,” IOSR Journal of Mathematics, vol. 10, issue 5, ver. II, pp. 66 – 72, 2014. DOI: 10.9790/5728-10526672. [PDF] - F.M.A. Blegur,
**T. Bakhtiar**, A. Aman, “Scenarios for Fleet Assignment: a Case Study at Lion Air,” IOSR Journal of Mathematics, vol. 10, issue 5, ver. I, pp. 64 – 68, 2014. DOI: 10.9790/5728-10516468. [PDF] - F. Hanum, N. Wahyuni,
**T. Bakhtiar**, “Connectivity Problem of Wildlife Conservation in Sumatra: A Graph Theory Application,”*International Journal of Ecological Economics and Statistics*, vol. 35, no. 4, pp. 22 – 29. 2014. [Abstract] - A. Kusnanto, B. Edisusanto,
**T. Bakhtiar**, “Pendulum System with Elevated Track: Length of Pendulum with Minimum Tracking Error,”*Far East Journal of Mathematical Sciences*, vol. 85, no. 1, pp. 35 – 45, 2014. [Abstract] **T. Bakhtiar**, I. Sugema, M.I. Irfany, “Mathematical assessment on the robustness of PLS mechanism against adverse selection and moral hazard problems,”*Applied Mathematical Sciences*, vol. 8, no. 13, pp. 633 – 644, March 2014, DOI: 10.12988/ams.2014.312674. [PDF]- A. Aman,
**T. Bakhtiar**, F. Hanum, and P.T. Supriyo, “OR/MS Applications in Mt. Merapi Disaster Management,”*Journal of Mathematics and Statistics*, vol. 8 no. 2, pp. 264-273, 2012, DOI: 10.3844/jmssp.2012.264.273. [PDF] - Siswadi, A. Muslim, and
**Bakhtiar**, “Variable Selection using Principal Component and Procrustes Analyses and Its Application in Educational Data,”*Journal of Asian Scientific Research*, vol. 2, no. 12, December 2012. [PDF] - Siswadi,
**Bakhtiar**, and R. Maharsi, “Procrustes Analysis and the Goodness-of-fit of Biplots: Some Thoughts and Findings,”*Applied Mathematical Sciences*, vol. 6, no. 72, pp. 3579 – 3590, 2012. [PDF] - Siswadi and
**Bakhtiar**, “Goodness-of-fit of Biplots via Procrustes Analysis,”*Far East Journal of Mathematical Sciences*, vol. 52, issue 2, pp. 191 – 201, May 2011. [Abstract] **T. Bakhtiar**and Siswadi, “Orthogonal Procrustes Analysis: Its Transformation Arrangement and Minimal Distance,”*International Journal of Applied Mathematics and Statistics*, vol. 20, no. M11, pp. 16 – 24, March 2011. [Abstract]- I. Sugema, M.I. Irfany, A. Holis,
**T****.****Bakhtiar**, “Consumer Price Index for the Poor (CPI-P): an Empirical Analysis of Indonesia,”*International Research Journal of Finance and Economic*, 58, pp. 58 – 64, December 2010. [PDF] - I. Sugema, T. Irawan, D.A. Purwanto, A. Holis,
**T****.****Bakhtiar**, “The Impact of Inflation on Rural Poverty in Indonesia: an Econometrics Approach,”*International Research Journal of Finance and Economic*, vol. 58, pp. 50 – 57, December 2010. [PDF] - I. Sugema and
**T. Bakhtiar**, “Inflation Targeting in Indonesia: Trade-off and Strategy,”*European Journal of**Economics, Finance, and Administrative Studies*, Issue 26, pp. 33 – 43, November 2010. - I. Sugema,
**T. Bakhtiar**, and J. Effendi, “Interest versus Profit-Loss Sharing Credit Contract: Effciency and Welfare Implications.”*International Research Journal of Finance and Economic*, vol. 45, pp. 58 – 67, August 2010. - I. Sugema and
**T. Bakhtiar**, “Monetary Policy in Managing Inflation in Indonesia: A Linear Rational Expectations Model,”*European Journal of Scientific Research*, vol. 41, no. 4, pp. 560 – 569, 2010. **T. Bakhtiar**and S. Hara, “H2 Regulation Performance Limitations for SIMO Linear Time-Invariant Feedback Control Systems.”*Automatica*, vol. 44, pp. 659 – 670, 2008. DOI: 10.1016/j.automatica.2007.07.002.- S. Hara,
**T. Bakhtiar**, and M. Kanno, “The best achievable H2 tracking performances for SIMO feedback control systems.”*Journal of Control Science and Engineering*, vol. 2007. DOI: 10.1155/2007/93904. - S. Hara and
**T. Bakhtiar**, “H2 control performance limitations for SIMO linear discrete-time systems.”*Trans. ISCIE*, vol. 19, no. 10, pp. 391–398, October 2006. DOI: 10.5687/iscie.19.391. **T. Bakhtiar**and S. Hara, “H2 performance limitations for single-input/single-output linear systems with time delay.”*Trans. ISCIE*, vol. 20, no. 2, pp. 87–89, Februari 2007. DOI: 10.5687/iscie.20.87.**T. Bakhtiar**and S. Hara, “*H2 regulation performance limitations for SIMO linear time-invariant feedback control systems: a unified approach*.” Technical Reports. Department of Mathematical Informatics, the University of Tokyo. METR2006-11, Feb. 2006. DOI: 10.13140/RG.2.2.17160.01280.- S. Hara and
**T. Bakhtiar**, “*H2 tracking performance limitations for SIMO feedback systems: a unified approach to control input penalty case*.” Technical Reports. Department of Mathematical Informatics, the University of Tokyo. METR2006-33, May 2006. DOI: 10.13140/RG.2.2.27226.34244.

**Conference**

- N. D. Mufa’ati,
**T. Bakhtiar**, Jaharuddin, “The optimal control of infectious disease transmission under linear and quadratic performance criteria,”*The 4th IORA International Conference on Operations Research 2019*, Manado, Indonesia, 19-20 September 2019. - H.N. Ahmad,
**T. Bakhtiar**, P.T. Supriyo, “Heuristic approach for solving capacitated location-routing problems,”*IORA International Conference on Operations Research 2017*, Manado, Indonesia, 20-21 September 2018. - M.N. Alatas,
**T****.****Bakhtiar**, F. Hanum, “Discrete optimal capital investment and financing policies in fishery resource harvesting with reserve area,”*IORA International Conference on Operations Research 2017*, Manado, Indonesia, 20-21 September 2018. - S. Maulana, F. Hanum,
**T. Bakhtiar**, “Mixed integer formulations for multiproduct maritime inventory routing problems,”*IORA International Conference on Operations Research 2017*, Manado, Indonesia, 20-21 September 2018. - Ristiani,
**Bakhtiar**, B.H. Iskandar, “Vehicle routing model of product distribution under different capacity and velocity scenarios,”*Proceeding of the 6th Gadjah Mada International Conference of Economics and Business*, Yogyakarta, Indonesia, 12-13 September 2018. - M.R.N. Hadi, F. Hanum,
**T. Bakhtiar**, “Multi-depot and multi-trip vehicle routing problems with split delivery arising in the RASKIN distribution,”*IORA International Conference on Operations Research 2017*, Tangerang Selatan, Indonesia, 12 October 2017. - L. Hakim,
**T.****Bakhtiar**, Jaharuddin, “The Nurse Scheduling Problem: a Goal Programming and Nonlinear Optimization Approaches,”*IORA International Conference on Operations Research*, Bogor, Indonesia, August 2016. - S.N. Rayhan,
**T. Bakhtiar**, Jaharuddin, “Control Strategies on a TB-HIV/AIDS Co-infection Model,”*The 9th International Kasetsart University Science and Technology Annual Research Symposium*, Bangkok, Thailand, 2 June 2017. - D. Athina,
**T. Bakhtiar**, Jaharuddin, “Optimal Control of Malaria Transmission in Two Regions Using Treatment and Spraying,”*The 9th International Kasetsart University Science and Technology Annual Research Symposium*, Bangkok, Thailand, 2 June 2017. - M. Oktavia, A. Aman,
**T. Bakhtiar**, “Courses Timetabling Problem by Minimizing the Number of Less Preferable Time Slots,”*IORA International Conference on Operations Research*, Bogor, Indonesia, August 2016. - D. Athina,
**T. Bakhtiar**, Jaharuddin, “Malaria Transmission Control Using Insecticide Treated Nets and Spraying,”*the 3rd International Seminar on Sciences***,**Bogor, Indonesia, November 3-4, 2016. - S.N. Rayhan,
**T. Bakhtiar**, Jaharuddin, “Two-Strain Tuberculosis Transmission Model under Three Control Strategies,”*the 3rd International Seminar on Sciences***,**Bogor, Indonesia, November 3-4, 2016. **T. Bakhtiar**, “Optimal intervention strategies for cholera outbreak by education and chlorination,”*The International Seminar on Science of Complex Natural Systems*(ISS-CNS) 2015, Bogor, 10 October 2015.**T. Bakhtiar**, Samsurizal, N. Aliatiningtyas, “Mobius and Delta Transforms in the Unification of Continuous-Discrete Spaces,”*The 2nd IndoMS International Conference on Mathematics and Its Applications*, Yogyakarta, Indonesia, November 6-8, 2013.- B. Edisusanto,
**T. Bakhtiar**, A. Kusnanto, “Optimization Problem in Inverted Pendulum System with Oblique Track,”*The 6th SEAMS-GMU Conference*, Yogyakarta, 2011. - I. Sugema,
**T. Bakhtiar**, and J. Effendi, “Interest versus Profitt-Loss Sharing Credit Contract: Effciency and Welfare Implications,”*IndoMS International Conference on Mathematics and Its Applications*, Yogyakarta, Indonesia, October 12-13, 2009. - I. Sugema and
**T. Bakhtiar**, Open-Economy Macroeconomics: a Linear Rational Expectations Model,*The 3rd International Conference on Mathematics and Statistics*, Bogor, Indonesia, 5–6 August 2008. **T. Bakhtiar**and S. Hara, “Tracking Performance Limits for SIMO Discrete-Time Feedback Control Systems,” in*Proc. SICE Annual Conference*(CD ROM), Sapporo, Japan, Aug. 2004, pp. 1825–1830.**T. Bakhtiar**and S. Hara, “H2 Control Performance Limitations for SIMO Systems: a Unified Approach.” In*Proc. 6th Asian Control Conference*(CD ROM), Bali, Indonesia, July 2006, pp. 547–555.**T. Bakhtiar**and S. Hara, “H2 Regulation Performance Limits for SIMO Feedback Control Systems.” In*Proc. 17th International Symposium on Mathematical Theory of Networks and Systems*(CD ROM), Kyoto, Japan, July 2006, pp. 1966–1973.- S. Hara, M. Kanno, and
**T. Bakhtiar**, “Optimal Tracking Performance for SIMO Feedback Control Systems: Analytical Closed-Form Expressions and Guaranteed Accuracy Computation. In*Proc. 45th IEEE Conference on Decision and Control*(CD ROM), San Diego, USA, Dec. 2006, pp. 1825–1830. **T. Bakhtiar**and S. Hara, ”H2 regulation performance limitations for unstable/non-minimum phase SIMO systems,” in*Proc. 34th SICE Symposium on Control Theory*, Osaka, Japan, Oct.–Nov. 2005, pp. 489–492.- S. Hara and
**T. Bakhtiar**, ”H2 tracking and regulation performance limits for SIMO feedback control systems,” in*Proc. 33rd SICE Symposium on Control Theory*, Hamamatsu, Japan, Nov. 2004, pp. 139–142. - S. Hara, M. Kanno, and
**T. Bakhtiar**, ”H2 optimal tracking performance and its guaranteed accuracy computation: SIMO plant case,” in*Proc. 6th SICE Annual Conference on Control Systems*, Nagoya, Japan, May–June 2006, pp. 229–234.

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