000 00335nam a2200145Ia 4500
020 _a9789812808141
082 _bT 8
_a500
100 _a"Leng,Ho Peck"
245 0 _aInternational Lower Secondary Science-W B 2
260 _c2009
300 _a148
944 _cTB
999 _c136268
_d136268