Wang XH, XF Wang, AM Zhai and YJ Feng (2005). “A DEA Model Characterized by Increasing Marginal Revenue.” J Shanghai Jiaotong University 39(3): 484-487.
Wang XH, XF Wang, AM Zhai and YJ Feng (2005). “A DEA Model Characterized by Increasing Marginal Revenue.” J Shanghai Jiaotong University 39(3): 484-487.