TY  - BOOK
AU  -  	Bruce R Crouch
AU  -  Shankariah Chamala
TI  - Extension education and rural development. Bd. 1 : : International experience in communication & innovation. 
SN  - 0471278297
U1  - 307.72 
PY  - 1981///
CY  - Chichester : 
PB  - Wiley, 
KW  -  Rural development
KW  - . Developing countries -- Rural conditions.
KW  -  Agricultural extension work
ER  -