000 00341nam a2200145Ia 4500
020 _a9789812808158
082 _bT-43
_a500
100 _a"Leng,Ho Peck"
245 0 _aInternational Lower Secondary Science
260 _aSINGAPORE
_c2009
300 _a193
944 _cTB
999 _c665102
_d665102