TY  - BOOK
AU  - Albrecht, Hartmut
AU  - Bergmann, Herbert
AU  - Diederich, Georg
AU  - Grober, Eberhard
TI  - Agricultural extension
SN  - 3880853649
CY  - New Delhi
KW  - Agricultural extension
KW  - Agriculture
KW  - Extension methods
KW  - Rural development
N1  - Contents : V1. Basic concepts and methods V2.Examples and background material
ER  -