中中国农业技术经济学敎程中国农业技术经济学敎程de Ying Jiang, Yanfeng Liu, Dongping ZhangMateriasAgricultureEconomic aspectsAgrcultureEdiciones (1)中国农业技术经济学敎程 (1997)Zhongguo ren min da xue chu ban she · chinoMás obras de Ying JiangBBan ye shi xuan
