TY - BK AU - Bradfield,D.J. TI - Guide to extension training T2 - FAO Training Series U1 - 630.715 PY - 1966/// CY - Rome (Italy) PB - FAO, KW - Audiovisual aids KW - Education KW - Educational policies KW - Evaluation KW - Extension activities KW - Human nutrition KW - Information flow KW - Information Services KW - Planning KW - Teaching methods KW - Training N1 - Illustrations, references p. 158-161, appendix p. 162-165, index p. 166-169 ER -