000 00334nam a2200145Ia 4500
020 _a0000000000
082 _b2003
_a500
100 _a"Leng, Ho Peck"
245 0 _aInternational Lower Secondary Science-1 T.G
260 _c2009
300 _a299
944 _cTR
999 _c699042
_d699042