TY  - GEN
AU  - Ban , A.W. Van Den
AU  - Hawkins , H.S
TI  - Agricultural extension
SN  - 8123905769
U1  - 630.715 
PY  - 2002///
CY  - New Delhi
PB  - CBS Publishers & Distributores
KW  - AGRICULTURE
KW  - AGHRICULTURAL EXTENSION
ER  -