000 00281nam a2200109Ia 4500
008 190719s9999 xx 000 0 und d
100 _aO P Chug & others
245 0 _aBusiness mathematics & computer awareness
260 _aNew Delhi
_bLaxmi Pub
_c1991
650 _aMath
942 _cBK
999 _c7969
_d7969