000 00353nam a2200145Ia 4500
020 _a9789812808127
082 _bT779
_a500
100 _a"Ho peck leng"
245 0 _aInternational lower secondary Science 3
260 _bMarshall
_asingapore
_c2009
300 _a308
944 _cTB
999 _c253288
_d253288