1. Shiang-Tai Liu and Yueh-Chiang Lee, 2021, Fuzzy measures for fuzzy cross efficiency in data envelopment analysis, Annals of Operations Research (in press, SCI, MOST106-2410 -H-238-001-MY2). 2. Chiang Kao and Shiang-Tai Liu*, 2021, Stochastic efficiencies of network production systems with correlated stochastic data: The case of Taiwanese commercial banks. Annals of Operations Research (in press, SCI, MOST108-2410 -H-238-002-MY2) 3. Chiang Kao, Rui-Zhi Pang, Shiang-Tai Liu, Xue-Jie Bai, 2021, Optimal expansion paths for hospitals of different types: Viewpoint of scope economies and evidence from Chinese hospitals, European Journal of Operational Research, 289, 628-638 (SCI, MOST108-2410 -H-238-002-MY2). 4. Chiang Kao, Rui-Zhi Pang, Shiang-Tai Liu, Xue-Jie Bai, 2021, Most productive types of hospitals: An empirical analysis, OMEGA, 99, 102310 (SCI, MOST108-2410 -H-238-002-MY2). 5. Chiang Kao and Shiang-Tai Liu, 2020, A slacks-based measure model for calculating cross efficiency in data envelopment analysis, OMEGA, 95, 102192 (SCI, MOST108-2410 -H-238-002-MY2). 6. Chiang Kao and Shiang-Tai Liu, 2019, Stochastic efficiency measures for production units with correlated data, European Journal of Operational Research, 273, 278-287 (SCI, MOST106-2410-H-238-001-MY2). 7. Chiang Kao and Shiang-Tai Liu, 2019, Cross efficiency measurement and decomposition in two basic network systems, OMEGA, 83, 70-79 (SCI, MOST104-2410-H-238-002-MY2). 8. Shiang-Tai Liu, 2018, A DEA ranking method based on cross-efficiency intervals and signal-to-noise ratio, Annals of Operations Research, 216, 207-232 (SCI, MOST104- 2410-H- 238-002 –MY2). 9. Tim Lu and Shiang-Tai Liu*, 2018, Fuzzy nonlinear programming approach to the evaluation of manufacturing processes, Engineering Applications of Artificial Intelligence, 72, 183-189 (SCI, NSC102-2410-H-238-005) 10. Chiang Kao and Shiang-Tai Liu, 2016, A parallel production frontiers approach for intertemporal efficiency analysis: The case of Taiwanese commercial banks, European Journal of Operational Research, 255, 411-421 (SCI, 2012 IF=2.038, Ranking: 9/78 in ORMS). 11. Shiang-Tai Liu, 2016, Fractional transportation problem with fuzzy parameters, Soft Computing, 20, 3629-3636 (SCI, NSC101-2410-H-238-005-MY2) 12. Tim Lu and Shiang-Tai Liu*, 2016, Ranking DMUs by Comparing DEA cross-efficiency intervals using entropy measures, Entropy, 18(12), 452 (SCI, MOST104-2410 -H-238-002 -MY2) 13. Shiang-Tai Liu, 2016, A mathematical programming approach to sample coefficient of variation with interval-valued observations, TOP, 24, 1-18 (SCI, NSC102-2410-H-238-005) 14. Chiang Kao and Shiang-Tai Liu, 2014, Measuring performance improvement of Taiwanese commercial banks under uncertainty, European Journal of Operational Research, 235, 755-764 (SCI, 2012 IF=2.038, Ranking: 9/78 in ORMS). 15. Shiang-Tai Liu, 2014, Restricting weight flexibility in fuzzy two-stage DEA, Computers & Industrial Engineering, 74, 149-160 (SCI, NSC100-2410-H-238-006, 2012 IF=1.516, Ranking: 16/42 in Industrial Engineering). 16. Chiang Kao and Shiang-Tai Liu, 2014, Multi-period efficiency measurement in data envelopment analysis: The case of Taiwanese commercial banks, OMEGA, 47, 90-98 (SCI, 2012 IF=3.024, Ranking: 3/78 in ORMS). 17. Shiang-Tai Liu, 2014, Fuzzy efficiency ranking in fuzzy two-stage data envelopment analysis, Optimization Letters, 8, 633-652 (SCI, NSC100-2410-H-238-006, 2012 IF=1.654, Ranking: 18/78 in ORMS). 18. Shiang-Tai Liu, 2012, Solution of fuzzy integrated production and marketing planning based on extension, Computers & Industrial Engineering, 63, 1201-1208 (SCI, NSC100-2410-H-238-006, 2012 IF=1.516, Ranking: 16/42 in Industrial Engineering). 19. Chiang Kao, Shiang-Tai Liu, and Hwei Lan Pao, 2012, Assessing improvement in management research in Taiwan, Scientometrics, 92, 75-87 (SSCI, 2012 IF=2.133, Ranking: 7/84 in Information Science & Library Science). 20. Shiang-Tai Liu, 2011, A note on efficiency decomposition in two-stage data envelopment analysis, European Journal of Operational Research, 212, 606-608 (SCI, NSC98-2410-H-238-004-MY2, 2012 IF=2.038, Ranking: 9/78 in ORMS) 21. Shiang-Tai Liu, 2011, Fuzzy measures for profit maximization with fuzzy parameters, Journal of Computational and Applied Mathematics, 236, 1333-1342 (SCI, NSC98-2410-H-238-004-MY2, 2011 IF=1.112, Ranking: 62/245 in Applied Mathematics) 22. Shiang-Tai Liu, 2011, A fuzzy modeling for fuzzy portfolio optimization, Expert Systems with Applications, 38, 13803-13809 (SCI, NSC98-2410-H-238-004-MY2, 2011 IF=2.203, Ranking: 5/77 in ORMS). 23. Shiang-Tai Liu, 2011, The Mean-absolute deviation portfolio selection problem with interval-valued returns, Journal of Computational and Applied Mathematics 235, 4149-4157 (SCI, NSC98-2410-H-238-004-MY2, 2011 IF=1.112, Ranking: 62/245 in Applied Mathematics) 24. Chiang Kao and Shiang-Tai Liu, 2011, Efficiencies of two-stage systems with fuzzy data, Fuzzy Sets and Systems, 176, 20-35 (SCI, 2011 IF=1.759, Ranking: 11/245 in Applied Mathematics) 25. Shiang-Tai Liu, 2011, Performance measurement of Taiwan financial holding companies: An additive efficiency decomposition approach, Expert Systems with Applications, 38, 5674-5679 (SCI, 2011 IF=2.203, Ranking: 5/77 in ORMS). 26. Shiang-Tai Liu, 2010, Measuring and categorizing technical efficiency and productivity change of commercial banks in Taiwan, Expert Systems with Applications, 37, 2783-2789 (SCI, 2011 IF=2.203, Ranking: 5/77 in ORMS). 27. Shiang-Tai Liu, 2009, A revisit to quadratic programming with fuzzy parameters, Chaos, Solitons and Fractals, 41, 1401- 1407 (SCI, NSC96-2416-H-238-004-MY2, IF=1.222, Ranking: 34/92 in Mathematics, Interdisciplinary Applications). 28. Chiang Kao and Shiang-Tai Liu, 2009, Stochastic data envelopment analysis in measuring the efficiency of Taiwan commercial banks, European Journal of Operational Research, 196, 312-322 (SCI, 2011 IF=1.815, Ranking: 6/77 in ORMS) 29. Shiang-Tai Liu, 2009, Quadratic programming with fuzzy parameters: a membership function approach, Chaos, Solitons and Fractals, 40, 237-245 (SCI, NSC96-2416-H-238-004-MY2, IF=1.222, Ranking: 34/92 in Mathematics, Interdisciplinary Applications). 30. Shiang-Tai Liu and Rong Tsu Wang, 2009, Efficiency measures of PCB manufacturing firms using relational two-stage data envelopment analysis, Expert Systems with Applications, 36, 4935-4939 (SCI, 2011 IF=2.203, Ranking: 5/77 in ORMS). 31. Shiang-Tai Liu, 2009, Using geometric programming to profit maximization with interval coefficients and quantity discount, Applied Mathematics & Computation, 209, 259-265 (SCI, NSC95-2416-H-238-004, 2011 IF=1.317, Ranking: 44/245 in Applied Mathematics). 32. Shiang-Tai Liu, 2009, Slacks-based efficiency measures for predicting bank performance, Expert Systems with Applications, 36, 2813-2818 (SCI, 2011 IF=2.203, Ranking: 5/77 in ORMS). 33. Shiang-Tai Liu and Mang Chung, 2009, Fuzzy efficiency measures in fuzzy DEA/AR with application to university libraries, Expert Systems with Applications, 36, 1105-1113 (SCI, SCI, 2011 IF=2.203, Ranking: 5/77 in ORMS). 34. Shiang-Tai Liu and Chiang Kao, 2009, Matrix games with interval data, Computers & Industrial Engineering, 56, 1697-1700 (SCI, 2011 IF=1.589, Ranking: 9/42 in Industrial Engineering) 35. Shiang-Tai Liu, 2008, Posynomial geometric programming with interval exponents and coefficients, European Journal of Operational Research, 186, 17-27 (SCI, NSC94-2416-H- 238-001, 2011 IF=1.815, Ranking: 6/77 in ORMS). 36. Shiang-Tai Liu, 2008, Fuzzy profit measures for a fuzzy economic order quantity model, Applied Mathematical Modelling, 32, 2076-2086 (SCI, NSC95-2416-H-238-004, 2011 IF=1.579, Ranking: 19/92 in Mathematics, Interdisciplinary Applications). 37. Shiang-Tai Liu, 2008, A fuzzy DEA/AR approach to the selection of flexible manufacturing systems, Computers & Industrial Engineering, 54, 66-76 (SCI, 2011 IF=1.589, Ranking: 9/42 in Industrial Engineering) 38. Shiang-Tai Liu, 2007, Geometric programming with fuzzy parameters in engineering optimization, International Journal of Approximate Reasoning, 46, 17-27 (SCI, NSC94-2416-H 238-001, 2010 IF=1.679, Ranking: 37/108 in Computer Science: Artificial Intelligence). 39. Shiang-Tai Liu, 2007, Profit maximization with quantity discount: an application of geometric programming, Applied Mathematics & Computation 190, 1723-1729 (SCI, NSC95-2416-H-238-004, 2010 IF=1.534, Ranking: 29/204 in Applied Mathematics). 40. Shiang-Tai Liu, 2007, A computational method for the maximization of long-run and short-run profit, Applied Mathematics & Computation 186, 1104-1112 (SCI, NSC94-2416-H-238-001, 2010 IF=1.534, Ranking: 29/204 in Applied Mathematics). 41. Shiang-Tai Liu and Chiang Kao, 2007, Solution of fuzzy matrix games: an application of the extension principle, International Journal of Intelligent Systems 22 891-903 (SCI, 2008 IF=1.314, Ranking: 57/108 in Computer Science: Artificial Intelligence). 42. Shiang-Tai Liu and Rong Tsu Wang, 2007, A numerical solution method to interval quadratic programming, Applied Mathematics & Computation 189, 1274-1281 (SCI, 2010 IF=1.534, Ranking: 29/204 in Applied Mathematics). 43. Shiang-Tai Liu, 2006, Posynomial geometric programming with parametric uncertainty, European Journal of Operational Research 162, 345-353 (SCI, NSC92-2416-H-238-004, 2010 IF=2.158, Ranking: 6/74 in ORMS). 44. Shiang-Tai Liu, 2006, Computational method for the profit bounds of inventory model with interval demand and unit cost, Applied Mathematics & Computation 183, 499-507 (SCI, NSC93-2416-H-238-005, 2010 IF=1.534, Ranking: 29/204 in Applied Mathematics). 45. Shiang-Tai Liu, 2006, Optimization of a machining economics model with fuzzy exponents and coefficients, International Journal of Production Research 44, 3083-3104 (SCI, NSC93-2416-H- 238-005, 2010 IF=1.033, Ranking: 31/74 in ORMS). 46. Shiang-Tai Liu, 2006, A geometric programming approach to profit maximization, Applied Mathematics & Computation 182, 1093-1097 (SCI, 2010 IF=1.534, Ranking: 29/204 in Applied Mathematics). 47. Rong Tsu Wang and Shiang-Tai Liu, 2006, An economic machining process model with interval parameters, International Journal of Advanced Manufacturing Technology 33 900-910 (SCI, NSC94-2416-H-238-001, 2008 IF=1.128, Ranking: 13/38 in Manufacturing Engineering, corresponding author). 48. Shiang-Tai Liu, 2006, Fuzzy total transportation cost measures for fuzzy solid transportation problem, Applied Mathematics & Computation 174, 927-941 (SCI, 2010 IF=1.534, Ranking: 29/204 in Applied Mathematics). 49. Shiang-Tai Liu, 2005, Rating design requirements in fuzzy quality function deployment via a mathematical programming approach, International Journal of Production Research 43, 497-513 (SCI, NSC93-2416-H-238-009, 2009 IF=0.803, Ranking: 51/73 in ORMS). 50. Shiang-Tai Liu, 2005, Fuzzy measures for fuzzy signal-to-noise ratios, Cybernetics and Systems 36, 151-163 (SCI, NSC91-2416-H-238-001, 2009 IF=0.780, Ranking: 12/19 in Computer Science: Cybernetics). 51. Chiang Kao and Shiang-Tai Liu, 2005, Data envelopment analysis with imprecise data: an application to Taiwan’s machinery firms, International Journal of Uncertainty, Fuzziness and Knowledge-Based Systems 13, 225-240 (SCI, 2009 IF=1.147, Ranking: 64/102 in Computer Science: Artificial Intelligence, corresponding author). 52. Shiang-Tai Liu and Chiang Kao, 2004, Solving fuzzy transportation problems based on extension principle, European Journal of Operational Research 153, 661-674 (SCI, NSC89-2416-H006-020, 2009 IF=2.093, Ranking: 10/73 in ORMS). 53. Shiang-Tai Liu, 2004, Fuzzy geometric programming approach to a fuzzy machining economics model, International Journal of Production Research 42, 3253-3269 (SCI, NSC92-2416-H- 238-004, 2009 IF=0.803, Ranking: 51/73 in ORMS). 54. Shiang-Tai Liu and Chiang Kao, 2004, Network flow problems with fuzzy arc lengths, IEEE Trans. on Systems, Man, and Cybernetics, Part B 34, 765-769 (SCI, NSC89-2416-H006-020, 2009 IF=3.007 Ranking: 2/19 in Computer Science: Cybernetics). 55. Chiang Kao and Shiang-Tai Liu, 2004, Predicting bank performance with financial forecasts: A case of Taiwan commercial banks, Journal of Banking and Finance 28, 2353-2368 (SSCI, 2009 IF=1.908 Ranking: 6/52 in Finance). 56. Shiang-Tai Liu, 2003, The total cost bounds of the transportation problem with varying demand and supply, OMEGA: The International Journal of Management Science 31, 247-251 (SSCI). 57. Shiang-Tai Liu, 2003, Fuzzy activity times in critical path and project crashing problems, Cybernetics and Systems 34, 161-172 (SCI, NSC90-2416-H238-002). 58. Chiang Kao and Shiang-Tai Liu, 2003, A mathematical programming approach to fuzzy efficiency ranking, International Journal of Production Economics 86, 145-154 (SCI). 59. Shiang-Tai Liu and Chiang Kao, 2002, Fuzzy measure for correlation coefficient of fuzzy numbers, Fuzzy Sets and Systems 128, 267-275 (SCI). 60. Chiang Kao and Shiang-Tai Liu, 2001, Fractional programming approach to fuzzy weighted average, Fuzzy Sets and Systems 120, 65-74 (SCI). 61. Chiang Kao and Shiang-Tai Liu, 2000, Data envelopment analysis with missing data: an application to university libraries in Taiwan, Journal of the Operational Research Society 51(8), 897-905 (SCI, SSCI). 62. Chiang Kao and Shiang-Tai Liu, 2000, Fuzzy efficiency measures in data envelopment nalysis, Fuzzy Sets and Systems 113, 427-437 (SCI). 63. Chiang Kao and Shiang-Tai Liu, 1999, Competitiveness of machinery firms: an application of fuzzy weighted average, IEEE Trans. on Systems, Man, and Cybernetics, Part A 29, 661-667 (SCI). 64. Chiang Kao and Shiang-Tai Liu, 1997, Operations research applications in Taiwan: A linguistic approach, European Journal of Operational Research 103, 628-634 (SCI).