Technical and environmental efficiency of hog production in China -A stochastic frontier production function analysis
ZHOU Ying-heng, ZHANG Xiao-heng, TIAN Xu, GENG Xian-hui, ZHANG Peng, YAN Bin-jian
Technical and environmental efficiency of hog production in China -A stochastic frontier production function analysis
ZHOU Ying-heng, ZHANG Xiao-heng, TIAN Xu, GENG Xian-hui, ZHANG Peng, YAN Bin-jian
Journal of Integrative Agriculture . 2015, (6): 1069 -1080 .  DOI: 10.1016/S2095-3119(14)60990-4