nam a22 4500 29220 29220 171122b xxu||||| |||| 00| 0 eng d 8172335261 9788172335267 S544 .S56 2008 K Singh Ashok Pioneer research in extension education / Ashok K Singh Jodhpur : Scientific Publishers (India), ©2008. vi, 354 p. : ill. ; 22 cm Agricultural extension work Research India Bihar Bibliography. lcc BOOKS S544 .S56 2008 0 0 lcc 0 0 MUC MUC GEN 2017-11-22 Purchase (UNES) 1890.00 0 S544 .S56 2008 37253 2019-02-08 2017-11-22 BOOKS