000 00343nam a2200145Ia 4500
020 _a9789812808103
082 _bT861
_a500
100 _a"Ho Peck Leng"
245 0 _aInternational lower secondary Science 1
260 _aSingapore
_c2018
300 _a203
944 _cTB
999 _c253369
_d253369