TY  - BOOK
AU  - Yadav, J.S
TI  - Evaluation of agricultural extension: A Study of Haryana 
SN  - 8170223865
U1  - 630.717 20
PY  - 1992///
CY  - New Delhi
PB  - Concept
KW  - Technology
KW  - Agriculture and related technologies
KW  - Agriculture
KW  - Haryana
ER  -