TY  - BOOK
AU  - Yadav,J S
TI  - Evaluation of agricultural extension : s study of Haryana
SN  - 8170223865
U1  - 630.7 
PY  - 1992///
CY  - New Delhi
PB  - Concept Publishing Company
KW  - Project appraisal
KW  - Research methodology
ER  -