Recent Posts

Publications

Journal

  1. 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.
  2. 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.
  3. 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.
  4. 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.
  5. 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.
  6. 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.
  7. 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]
  8. 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]
  9. 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]
  10. 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]
  11. 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.
  12. 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]
  13. 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]
  14. 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]
  15. 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]
  16. 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]
  17. 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]
  18. 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]
  19. 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]
  20. 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]
  21. 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]
  22. 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]
  23. 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]
  24. 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]
  25. 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]
  26. 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]
  27. 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]
  28. 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]
  29. 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]
  30. 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]
  31. 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]
  32. 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]
  33. 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]
  34. 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]
  35. 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]
  36. 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]
  37. 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]
  38. 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]
  39. 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]
  40. 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]
  41. 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]
  42. 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]
  43. 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]
  44. 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]
  45. 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]
  46. 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]
  47. 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]
  48. 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]
  49. 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]
  50. 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]
  51. 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]
  52. 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]
  53. 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]
  54. 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]
  55. 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]
  56. 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]
  57. 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]
  58. 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]
  59. 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]
  60. 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]
  61. 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]
  62. 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]
  63. 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]
  64. 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]
  65. 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]
  66. 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]
  67. 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.
  68. 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.
  69. 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.
  70. 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.
  71. 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.
  72. 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.
  73. 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.
  74. 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.
  75. 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

  1. 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.
  2. 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.
  3. 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.
  4. 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.
  5. 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.
  6.  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.
  7. 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.
  8. 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.
  9. 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.
  10. 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.
  11. 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.
  12. 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.
  13. 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.
  14. 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.
  15. B. Edisusanto, T. Bakhtiar, A. Kusnanto, “Optimization Problem in Inverted Pendulum System with Oblique Track,” The 6th SEAMS-GMU Conference, Yogyakarta, 2011.
  16. 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.
  17. 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.
  18. 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.
  19. 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.
  20. 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.
  21. 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.
  22. 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.
  23. 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.
  24. 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.