000 00337nam a2200145Ia 4500
020 _a0195775856
082 _bT-880
_a510
100 _a"Yee Lee Peng"
245 0 _aMathematics 4
260 _bOxford Universty Press
_aKarachi
_c2000
300 _a359
944 _cTB
999 _c202230
_d202230