000 00342nam a2200145Ia 4500
020 _a9789812808103
082 _bT84
_a500
100 _a"LENG HO PECK"
245 0 _aINTERNATIONAL LOWER SECONDARY SCIENCE 1
260 _aSINGAPORE
_c2009
300 _a203
944 _cTB
999 _c361010
_d361010