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
Detalles de publicación
- Publicado: 1974
 - Editor: U.S. Dept. of Agriculture, Extension Service in cooperation with U.S. AID
 - Dewey Decimal: 371.1
 - Librería ECHO: 371.1 USD