TY  - BOOK
AU  - Ban, A.W. van den
AU  - Hawkins, H.S.
TI  - Agricultural extension
SN  - 9788123905761
U1  - 630.715 BAN 
PY  - 2002///
CY  - New Delhi
PB  - CBS Publishers & Distributors Pvt. Ltd.
KW  - Agricultural extension work
N1  - BIB
ER  -