TY  - BOOK
AU  - Yadav,J.S.
TI  - Evaluation of agricultural extension: a study of Haryana 
SN  - 8170223865 
AV  - HD2075.H3 Y33 1992
U1  - 631 
PY  - 1992///
CY  - New Delhi
PB  - Concept Pub. Co.
KW  - Agricultural productivity
KW  - Agricultural extension work
N1  - Includes index; Includes bibliographical references and index
ER  -