机读格式显示(MARC)
- 000 00511cam a2200181 a 4500
- 008 19910831978 nyu 0001eng
- 245 13 |a An introduction to agricultural extension / |c A.T. Mosher.
- 260 __ |a New York : |b Agricultural Development Council, |c 1978.
- 300 __ |a 114 p. : |b ill. ; |c 22 cm.
- 650 _0 |a Agricultural extension work.