![](http://assets.echocommunity.org/book/6e9dfafc-82fa-4af6-9166-d83b2a1d7d4b/an-introduction-to-agricultural-extension_thumbnail.jpg?w=400)
The lectures reproduced in this book were delivered as part of an introductory course in agricultural extension at the University of Sri Lanka in 1974.
114 pages
รายละเอียดสิ่งพิมพ์
- ตีพิมพ์แล้ว: 1978
- ผู้ตีพิมพ์: Agricultural Development Council,
- Dewey Decimal: 630.715
- ห้องสมุด ECHO: 630.715 MOS