TY  - BOOK
AU  - Yadav, G.S.
TI  - Evaluation of agricultural extension: a study of haryana 
SN  - 8170223865
U1  - 630.715 YAD 
PY  - 1992///
CY  - New Delhi
PB  - Concept Publishing Company
KW  - Agricultural extension work
N1  - BIB
ER  -