[EJ-20-58] Technical and environmental efficiency of livestock farms in China: a slacks-based DEA approach

作者：Lena Kuhn, Tomas Balezentis, LL Hou, D Wang　　期刊：China Economic Review, Volume 62, August 2020, 101213. https://doi.org/10.1016/j.chieco.2018.08.009 　　来源：