000 00319nam a2200145Ia 4500
020 _a9789812084446
082 _bT122
_a500
100 _a"Tho Lai Hoong"
245 0 _aScience Practical 1B - 2b
260 _c1997
300 _a109
944 _cTB
999 _c606853
_d606853