Leon T, V Liern, JL Ruiz and I Sirvent (2003). “A Fuzzy Mathematical Programming Approach to the Assessment of Efficiency with DEA Models.” Fuzzy Sets and Systems 139(2): 407-419.

Lertworasirikul S, S-C Fang, HLW Nuttle and JA Joines (2003). “Fuzzy BCC Model for Data Envelopment Analysis.” Fuzzy Optimization and Decision Making 2(4): 337-358.

Lertworasirikul S, S-C Fangn, JA Joines and HLW Nuttle (2002). “A Possibility Approach to Fuzzy Data Envelopment Analysis.? in Proceedings of the Joint Conference on Information Sciences, Duke University/Association for Intelligent Machinery, Durham,, US. 6: 176-179.

Lee JD, A Repkine, SW Hwang and TY Kim (2004). “Estimating Consumers’ Willingness to Pay for Individual Quality Attributes with DEA.” JORS 55(10): 1064-1070.

Lee JH and SC Park (2005). “Intelligent Profitable Customers Segmentation System Based on Business Intelligence Tools.” Expert Systems with Applications 29(1): 145-152.

Lee J-Y (2005). “Comparing Sfa and DEA Methods on Measuring Production Efficiency for Forest and Paper Companies.” Forest Products Journal 55(7-8): 51-56.

Lee J-Y (2005). “Using DEA to Measure Efficiency in Forest and Paper Companies.” Forest Products Journal 55(1): 58-66.

Lee LF and JH Sepanski (1995). “Estimation of Linear and Nonlinear Errors-in-Variables Models Using Validation Data.” J American Statistical Association 9: 130-140.

Lee S, K Lee and IW Kang (2005). “Efficiency Analysis of Controls in Edi Applications.” Information and Management 42(3): 425-439.

Learner DB and FY Phillips (1992). “Contributions to Marketing.” in Phillips F, Y. and JJ Rousseau (eds.) Systems and Management Science by Extremal Methodsboston, Kluwer Academic Publishers: 29.