000 00336nam a2200145Ia 4500
020 _a0195799410
082 _b3943
_a510
100 _a"CHOONG RAYMOND","LIN YEE CHONG"
245 0 _aTHINKING MATHEMATICS 3
260 _c2003
300 _a176
944 _cBK
999 _c513385
_d513385