Yung Mao chu hsi che hsüeh ssu hsiang chih tao kʻo hsüeh chung tʻien
Publisher: Nung yeh chʻu pan she
Published: 1971
Place of publication: Pei-ching
Language: chi
Number of pages: 48
Subjects: Agricultural extension work -- China
Notes: Microfilm. [Washington, D.C. : Center for Chinese Research Materials, Association of Research Libraries, 1971]. -- 1 reel.