000 00286nam a2200109Ia 4500
008 190719s9999 xx 000 0 und d
100 _aR S Dahiya/ D P Gupta
245 0 _aCommerce mathematics for pre-university
260 _aDelhi
_bLaxmi Kitab Ghar
_c1975
650 _aMath
942 _cBK
999 _c2928
_d2928