000 00277nam a22001217a 4500
020 _a8177540394
082 _a630.7 SIN/AG
100 _aA K Singh
245 _aAgriculture Extension: Impact and Assessment
260 _aJodhpur
_bAgrobios
_c2012
300 _a266
942 _cBK
999 _c13821
_d13821