Keyword green total factor productivity
 
ORIGINAL RESEARCH
 

Green Total Factor Productivity of Hog Breeding in China: Application of SE-SBM Model and Grey Relation Matrix

Lian-ge Zhao, Jie Lin, Jian-ming Zhu
Pol. J. Environ. Stud. 2015;24(1):403–412
 
eISSN:2083-5906
ISSN:1230-1485