Livelihood Diversification of Farm Household and Its Impact on the Utilization of Cultivated Land in Agro-pastoral Area:A case Study of Yanchi County, Ningxia Hui Autonomous Region
WANG Yi-chao, HAO Hai-guang, ZHANG Hui-yuan, ZHAI Rui-xue, ZHANG Qiang
JOURNAL OF NATURAL RESOURCES . 2018, (2): 302 -312 .  DOI: 10.11849/zrzyxb.20170038