北京郊区农业合作化的发展历程研究——以海淀区李墨林“四季青”合作社为例
북경교구농업합작화적발전역정연구——이해정구리묵림“사계청”합작사위례
Development of agricultural cooperation in Beijing suburbs——A case study of the evergreen cooperative in Haidian district by Li Molin
저자의 최근 논문