000 00331nam a2200145Ia 4500
020 _a9789812808110
082 _b1075-T
_a500
100 _a"HO PECK LENG"
245 0 _aINTERNATIONAL LOWER SECONDARY SCIENCE 1
260 _c0
300 _a299
944 _cTB
999 _c185080
_d185080