00569nam a22002057a 4500 23607 23607 OSt 210401b ||||| |||| 00| 0 eng d 9788177544046 630.717 D46H De, Dipak. Handbook of Extension Education/ By Dipak De and Basavaprabhu Jirli Jodhpur 2011 403p. Technology (Applied Sciences) Agriculture and Related Technologies Extension Education Handbook Jirli, Basavaprabhu. ddc BK 0 0 ddc 0 0 RAU RAU 2013-03-30 RBPPL, New Delhi 300.00 0 630.717 D46H 67604 2021-04-01 2021-04-01 BK