000 00346nam a2200145Ia 4500
020 _a9789812718785
082 _b01753
_a510
100 _a"Gopi Krishnan"
245 0 _aLet's Learn Mathematics
260 _bEPB Pan Pacific
_aSingapore
_c2007
300 _a149
944 _cBK
999 _c467121
_d467121