000 00337nam a2200145Ia 4500
020 _a9812084444
082 _bT728
_a500
100 _a"Hoong, Tho Lai"
245 0 _aScience practical 1A
260 _b,Pan pacific
_asingapore
_c1997
300 _a109
944 _cTB
999 _c514927
_d514927