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
รายละเอียดสิ่งพิมพ์
- ตีพิมพ์แล้ว: 1974
- ผู้ตีพิมพ์: U.S. Dept. of Agriculture, Extension Service in cooperation with U.S. AID
- Dewey Decimal: 371.1
- ห้องสมุด ECHO: 371.1 USD