Nong ye tui guang gong zuo guan li
By: Guo Kaiyuan bian [xie]
Edition: Di 1 ban
Series: Nong cun jing ji jing ying guan li cong shu
Publisher: Nong ye chu ban she
Published: 1987
Place of publication: Beijing
Language: chi
Number of pages: 144
Subjects: Agricultural extension work