000 00373nam a2200145Ia 4500
020 _a9789812808103
082 _b387
_a500
100 _a"Leng, Ho Peck"
245 0 _aINTERNATIONAL LOWER SECONDARY SCIENCE 1
260 _bMARSHALL CAVENDISH EDUCATION
_aSINGAPORE
_c2009
300 _a203
944 _cTR
999 _c111162
_d111162