000 00383nam a2200145Ia 4500
020 _a8887280910055
082 _b735
_a510
100 _a"Hewavisenti, Lakshmi"
245 0 _aFun With Maths Problem Solving
260 _b,Education and Entertainment Workshop Ltd
_aSingapore
_c1995
300 _a32
944 _cBK
999 _c246823
_d246823