000 00339nam a2200145Ia 4500
020 _a888728091005F
082 _b2231
_a510
100 _a"LAKSHMI HEWAVISENTI"
245 0 _aPROBLEM SOLVING FUN WITH MATH
260 _aSingapore
_c1995
300 _a32
944 _cTR
999 _c658067
_d658067