000 00345nam a2200145Ia 4500
020 _a9789812808103
082 _bT 1340
_a500
100 _a"Leng,Ho Peck"
245 0 _aInternational Lower Secondary Science-1
260 _aSingapore
_c2021
300 _a203
944 _cTB
999 _c515485
_d515485