000 00335nam a2200145Ia 4500
020 _a9780195979558
082 _bT 38
_a510
100 _a"teh keng seng"
245 0 _aMathematics 1
260 _b,Oxford Uni press
_akarachi
_c2008
300 _a417
944 _cTB
999 _c503269
_d503269