@article{Mei-zhi WANG_594, author = {WANG Mei-zhi, WEI Feng}, title = {Dynamic evolution and regional differences of grain production efficiency in Kazakhstan}, publisher = {JOURNAL OF NATURAL RESOURCES}, year = {2021}, journal = {JOURNAL OF NATURAL RESOURCES}, volume = {36}, number = {3}, eid = {594}, pages = {594-605}, keywords = {;grain production efficiency;regional differences;Kazakhstan;Three-Stage DEA;DEA-Windows}, doi = https://www.jnr.ac.cn/EN/10.31497/zrzyxb.20210305 }