000 00353nam a2200145Ia 4500
020 _a0888728091005
082 _b1199
_a510
100 _a"LAKSHMI HEWAVISENTI"
245 0 _aPROBLEM SOLVING
260 _b,EDUCATION & ENTERTAINMENT
_aSINGAPORE
_c1995
300 _a32
944 _cBK
999 _c611005
_d611005