This booklet describes what a demonstration entails, how to get ready for the demonstration, and how to conducting your demonstration.
Extension Service, US Dept. of Agriculture
14 pages, illustrated, photos
Chi tiết Ấn phẩm
- Phát hành: 1974
- Nhà Xuất Bản: U.S. Dept. of Agriculture, Extension Service in cooperation with U.S. AID
- Dewey Decimal: 371.1
- Thư viện ECHO: 371.1 USD