000 00326nam a2200145Ia 4500
020 _a9789812808141
082 _bT-500
_a500
100 _a"HO PECK LENG"
245 0 _aINTERNATIONAL LOWER SECONDARY SCIENCE
260 _c0
300 _a0
944 _cTB
999 _c157135
_d157135