000 00343nam a2200145Ia 4500
020 _a9789812808110
082 _bT230
_a500
100 _a"LENG HO PECK"
245 0 _aINTERNATIONAL LOWER SECONDARY SCIENCE 2
260 _aSINGAPORE
_c2009
300 _a299
944 _cTB
999 _c361268
_d361268