000 nam a22 7a 4500
999 _c814
_d814
003 OSt
005 20180530200917.0
008 180530b xxu||||| |||| 00| 0 eng d
020 _a8177540394
082 _a630.715
_bSIN
100 _aSingh, A. K.
245 _aAgricultural extension : impact and assessment /
_cby A.K. Singh.
260 _aJodhpur :
_bAgrobios ;
_c2006.
300 _a266 p.,
_c21 cm.
942 _2ddc
_cBK