000 00337nam a2200145Ia 4500
020 _a9789812084446
082 _b3300754
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100 _a"THO LAI HOONG"
245 0 _aNEW LOWER SECONDARY SCIENCE PRACTICAL 1A
260 _c1997
300 _a109
944 _cTB
999 _c542768
_d542768