Liu J and C Wu (2005). “An Integrated Method for Supplier Selection in Scm.? in Proceedings of International Conference on Services Systems and Services Management, IEEE, Piscataway, NJ, US. 1: 617-620.

Linton JD, J Morabito and JS Yeomans (2007). “An Extension to a DEA Support System Used for Assessing R&D Projects.” R and D Management 37(1): 29-36.

Linton JD, ST Walsh and J Morabito (2002). “Analysis, Ranking and Selection of R&D Projects in a Portfolio.” R and D Management 32(2): 139-148.

Linvill CB (1999). “Parametric and Nonparametric Approaches to Benchmarking the Regulated Firm.” JPA 12(3): 211-231.

Linvill CB and GD Ferrier (1995). “Organizational Form and Efficiency: Evidence from Indian Sugar Manufacturing.” J Comparative Economics 21: 29-53.

Lissitsa A and M Odening (2005). “Efficiency and Total Factor Productivity in Ukrainian Agriculture in Transition.” Agricultural Economics 32(3): 311-325.

Liu C and R Yin (2004). “Poverty Dynamics Revealed in Production Performance and Forestry in Improving Livelihoods: the Case of West Anhui, China.” Forest Policy and Economics 6(3-4): 391-401.

Liu C-C (2006). “Applying Optimal Weights Restriction Model in Analyzing the Efficiency of Organization.” WSEAS Transactions on Mathematics 5(2): 236-241.

Liu CC (2006). “Simulating Weight Restrictions in Data Envelopment Analysis Using the Subjective and Objective Integrated Approach.” Appl Econ 38(21): 2545-2552.

Liu D-w, G-q Xiong and W-j Diao (2004). “The Comprehensive Evaluation of Economic Returns of Hi-Tech Development Zone Using DEA Method in China.” J Xi’an University of Technology 20(1): 105-108.