Agrell PJ and J Tind (2001). “A Dual Approach to Nonconvex Frontier Models.” JPA 16(2): 129-147.

Ajodhia V and K Petrov (2004). “Establishment of Cap Regulation and Determination of Efficiency Factor X for Electricity Networks.” European Transactions on Electrical Power 14(2): 97-109.

Agrell PJ and BM West (2001). “A Caveat on the Measurement of Productive Efficiency.” Int J Prod Econ 69(1): 1-14.

Akimov PS, AN Kubasov and AV Minacheva (1979). “Detection Efficiency of Weak Optical Signals.” Izvestiya Vysshikh Uchebnykh Zavedenii, Radioelektronika 22(4): 61-67.

Agrell PJ and J Wikner (1996). “Coherent Methodology for Productivity Analysis Employing Integrated Partial Efficiency.” Int J Prod Econ 46-47: 401-411.

Akosa G, R Franceys, P Barker and T Weyman-Jones (1995). “Efficiency of Water-Supply and Sanitation Projects in Ghana.” J Infrastructure Systems 1(1): 56-65.

Ahmad M and B Bravo-Ureta (1996). “Technical Efficiency Measures for Dairy Farms Using Panel Data: A Comparison of Alternative Model Specifications.” JPA 7(4): 399-415.

Alam IMS (2001). “A Nonparametric Approach for Assessing Productivity Dynamics of Large U.S. Banks.” J Money, Credit and Banking 33(1): 121-139.

Ahmad N, D Berg and GR Simons (2006). “The Integration of Analytical Hirarchy Process and Data Envelopment Analysis in Multi-Criteria Decision Making Problem.” Int J Info Tech Decis 5(2): 263-276.

Ahn J-H and S-G Chang (2004). “Assessing the Contribution of Knowledge to Business Performance: the Kp3 Methodology.” Decision Support Systems 36(4): 403-416.