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020 _a9789814437523
040 _aCO-CNCC
082 _221ed
_a575
_bCh531
100 _4Autor
_aChing, Wang Ing
245 _aTop Science Texbook 2
260 _bSingapore
_c2015
942 _aScience
_cAP
_h575
_iCh531
_kV:2
_m2015
999 _c10602
_d10602