黄土高原中部丘陵区粮食生产的实践与认识——以延安市宝塔区燕沟流域为例
황토고원중부구릉구양식생산적실천여인식——이연안시보탑구연구류역위례
Practices and perspective of grain production in the middle of The Loess Plateau region
저자의 최근 논문