农户粮食生产规模效率及其影响因素分析——基于黑、豫、川三省玉米种植户的调查数据
贾琳, 夏英
Scale efficiency of grain production and influencing factors based on survey data from Heilongjiang,Henan and Sichuan
Lin JIA, Ying XIA
资源科学 . 2017, (5): 924 -933 .  DOI: 10.18402/resci.2017.05.12