000 nam a22 7a 4500
999 _c25
_d25
003 OSt
005 20180425160009.0
008 180425b xxu||||| |||| 00| 0 eng d
020 _a812720631x
082 _a633.00954
_bSIN
100 _aSingh, N. P.
110 _aSingh, R.A.
245 _aScientific crop production with special reference to north hill region /
_cby N P Singh & R A Singh.
260 _aLudhiana :
_bKalyani pubisher ;
_c2005.
300 _a348 p.,
_c26 cm.
942 _2ddc
_cBK