Yang tu xue
Subtitle: xu mu zhuan ye yong
By: Zhangjiakou nong ye zhuan ke xue xiao zhu bian ; [bian zhe Wei Yan ... deng].
Edition: Di 1 ban.
Publisher: Nong ye chu ban she; Xin hua shu dian Beijing fa xing suo fa xing
Published: 1981
Place of publication: Beijing
Language: chi
Number of pages: 237