000 00344nam a2200145Ia 4500
020 _a9789812808127
082 _bT-1241
_a500
100 _a"Leng,Ho Peck"
245 0 _aInternational Lower Secondary Science-3
260 _aSingapor
_c2009
300 _a299
944 _cTB
999 _c221219
_d221219