000 00323nam a2200145Ia 4500
020 _a9780195979572
082 _b2137
_a510
100 _a"Teh Keng Seng"
245 0 _aMathematics
260 _bOXFORD
_aPAKISTAN
_c2005
300 _a418
944 _cBK
999 _c490057
_d490057