Lynde C and J Richmond (1999). “Productivity and Efficiency in the UK: A Time Series Application of DEA.” Economic Modelling 16(1): 105.

Lyroudi K, N Glaveli, A Koulakiotis and D Angelidis (2006). “The Productive Performance of Public Hospital Clinics in Greece: A Case Study.” Health Services Management Research 19(2): 67-72.

Ma C, C Wu, S Zhang, Y Yang, H Li and Y Han (2004). “Decision Making Method for Variable-Rate Fertilization Based on Data Envelopment Analysis and Artificial Neural Network.” Transactions of the Chinese Society of Agricultural Engineering 20(2): 152.

Ma Z-X (2002). “Research on the Data Envelopment Analysis Method.” Systems Engineering and Electronics 24(3): 42.

Luksetich W and PN Hughes (1997). “Efficiency of Fund-Raising Activities: An Application of Data Envelopment Analysis.” Nonprofit and Voluntary Sector Quarterly 26(1): 73-84.

Lund M, BH Jacobsen and LCE Hansen (1993). “Reducing Non-Allocative Costs on Danish Dairy Farms – Application of Nonparametric Methods.” European Review of Agricultural Economic 20(3): 327-341.

Lundstrom M and P Roos (1998). “An Index Approach for the Measurement of Patient Benefits from Surgery – Illustrated in the Case of Cataract Extraction.” Information Systems and Operational Research 36(3): 120-128.

Luo X (2003). “Evaluating the Profitability and Marketability Efficiency of Large Banks: An Application of Data Envelopment Analysis.” J Business Research 56(8): 627.

Lozano S and G Villa (2006). “Data Envelopment Analysis of Integer-Valued Inputs and Outputs.” Computer and Operations Research 33(10): 3004-3014.

Lozano S, G Villa and B Adenso-Diaz (2004). “Centralised Target Setting for Regional Recycling Operations Using DEA.” Omega 32(2): 101-110.