00477nam a22001577a 4500 0 0 udc 0 0 KSD KSD 2018-12-22 0 374.14:63 P3 G4328 2018-12-22 00:00:00 2018-12-22 GRBK 105449 105449 OSt 20181222162634.0 181222b xxu||||| |||| 00| 0 eng d Manoharan, Muthiah Agricultural extension By Muthiah Manoharan and R.Arunachalam Mumbai Himalaya Publishing 2003 317p. Agricultural extension, Extension methods, Rural Sociology Arunachalam, R.,jt.auth GRBK