000 00339nam a2200145Ia 4500
020 _a0195775856
082 _b3300177
_a500
100 _a"Yee Lee Peng"
245 0 _aMathematics 4
260 _bOxford Universty Press
_aKarachi
_c2000
300 _a359
944 _cTB
999 _c363997
_d363997