000 00344nam a2200145Ia 4500
020 _a9812084444
082 _b3175
_a500
100 _a"Hoong, Tho Lai"
245 0 _aNEW LOWER SECONDARY SCIENCE
260 _b,Pan pacific
_asingapore
_c1997
300 _a109
944 _cTR
999 _c602511
_d602511