農農說農說de Yilong MaMateriasAgricultureEarly works to 1800RiceEdiciones (3)農說 (2009)Beijing Ai ru sheng shu zi hua ji shu yan jiu zhong xin · chino農說 (1970)Xin xing shu ju · chino農說 (1646)[s.n.] · chinoMás obras de Yilong MaNNong shuoNong shuo元元圖大衍元圖大衍Ver todas las obras de Yilong Ma →