Song, Malin; An, Qingxian; Zhang, Wei; Wang, Zeya; Wu, Jie - In: Renewable and Sustainable Energy Reviews 16 (2012) 7, pp. 4465-4469
environmental efficiency assessment and reviews the works about the theory and application of efficiency analysis around the world …. It is suggested that environmental efficiency evaluation theory under small samples and DEA method with undesirable … outputs will further extend the research on environmental efficiency evaluation. Also, this review confirms that more studies …