TY  - BOOK
AU  - Yadav,S.J.
TI  - Evaluation of Agricultural Extension A Study of Haryana
SN  - 81-7022-386-5
AV  - 630.715/YAD 3
U1  - 630.715/YAD 
PY  - 1954///
CY  - New Delhi
PB  - Concept Publishing Company
ER  -