乳制品进口对中国不同规模奶牛养殖效率的影响

魏艳骄,朱晶

Effects of dairy imports on the efficiency of cow farming operations of different scales in China

Yanjiao WEI,Jing ZHU

资源科学 . 2019, (8): 1475 -1487 . DOI: 10.18402/resci.2019.08.08