TY  - BOOK
AU  - Singh,  Uttam kumar
TI  - Extension education
T2  - Perspectives in modern education series
SN  - 81 7169 442 X
U1  - 371.35 SIN 
PY  - 2012///
CY  - New Delhi
PB  - Communwealth publishers
N1  - Includes bibliographical references
ER  -