Measuring the Technical Efficiency of Airports in Latin AmericaPerelman, Sergio ; in Utilities Policy (2012), 22 Detailed reference viewed: 18 (3 ULg) Urban water sector performance in Africa: A Stepwise bias-corrected efficiency and effectiveness analyisisPerelman, Sergio ; ; in Utilities Policy (2012), 22 Detailed reference viewed: 35 (10 ULg) |
||