TY  - BOOK
AU  - Yadav, J S
TI  - Evaluation of agricultural extension : a study of Haryana 
SN  - 8170223865
U1  - 630.7150954558 
PY  - 1992///
CY  - New Delhi
PB  - Concept Publishing Company
KW  - Agricultural Extension Work-Evaluation-Haryana
KW  - Agricultural Extension Work-Research-Haryana
KW  - <Agricultural
KW  - Extension Work
KW  - Evaluation
KW  - Haryana
ER  -