Adolphson DL, GC Cornia and LC Walters (1990). “Unified Framework for Classifying DEA Models.” Proceedings of IFORS International Conference on Operational Research: 647.

Afonso A and S Fernandes (2006). “Measuring Local Government Spending Efficiency: Evidence for the Lisbon Region.” Regional Studies 40(1): 39-53.

Afonso A and M St Aubyn (2005). “Non-Parametric Approaches to Education and Health Efficiency in OECD Countries.” J Appl Econ 8(2): 227-246.

Abay C, B Miran and C Gunden (2004). “An Analysis of Input Use Efficiency in Tobacco Production with Respect to Sustainability: the Case Study of Turkey.” J Sustainbale Agriculture 24(3): 123-143.

Afonso A and M St Aubyn (2006). “Cross-Country Efficiency of Secondary Education Provision: A Semi-Parametric Analysis with Non-Discretionary Inputs.” Economic Modelling 23(3): 476-491.

Abbasi F and H Hajihoseini (2004). “Technical Efficiency of R&D Units ” in Emrouznejad A and V Podinovski (eds.) Proceedings of DEA2004, Birmingham, UK: 373.

Afriat S (1988). “Efficiency in Production and Consumption.” in Dogramaci A and F Rolf (eds.) Applications of Modern Production Theory: Efficiency and Productivity Kluwer Academic: 251-268.

Abbott M (2006). “The Productivity and Efficiency of the Australian Electricity Supply Industry.” Energy Economics 28(4): 444-454.

Agalgaonkar AP, SV Kulkarni and SA Khaparde (2006). “Evaluation of Configuration Plans for Dgs in Developing Countries Using Advanced Planning Techniques.” IEEE Transactions on Power Systems 21(2): 973-981.

Abbott M and C Doucouliagos (2003). “The Efficiency of Australian Universities: A Data Envelopment Analysis.” Economics of Education Review 22(1): 89.