000 00248nam a2200097Ia 4500
008 190719s9999 xx 000 0 und d
100 _aJ C Arya & Baljit Singh
245 0 _aCommerce mathematics
260 _aDelhi
_bLaxmi Kitab Ghar
_c1975
942 _cBK
999 _c2815
_d2815