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李贵芳, 周丁扬, 石敏俊

Technical efficiency of crop irrigation and its determinants in the arid areas of Northwest China

LI Gui-fang, ZHOU Ding-yang, SHI Min-jun

自然资源学报 . 2019, (4): 853 -866 . DOI: 10.31497/zrzyxb.20190414