000 00336nam a2200145Ia 4500
020 _a9789810107529
082 _b831
_a500
100 _a"DAVID B.Y.TAN"
245 0 _aCHILD'S PLAY SCIENCE
260 _b,EARLYBIRD
_aSINGAPORE
_c1998
300 _a144
944 _cTR
999 _c370185
_d370185