Wu Fengsheng
Agro—regionalization Office of Zhenan County, Zhenan County, Shaanxi ProvinceWang Yujun
Agro—regionalization Office of Zhenan County, Zhenan County, Shaanxi Province吴凤升,王玉钧.加强以农田基建为重点的农业系统工程建设——镇安县中低产田改造意见[J].水土保持通报英文版,1991,(4):55-60
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