000 00330nam a2200145Ia 4500
020 _a8178984016
082 _b6508
_a297
100 _a"S. Khan"
245 0 _amathematics 2 oxford
260 _bGoodword Books
_aPakistan
_c2014
300 _a24
944 _cTB
999 _c688084
_d688084