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020 _a9789812718549
040 _cPK-LaCSN
082 _a500
_b"Hernandez Denise L G"
100 _a"Hernandez Denise L G"
245 0 _aLets learn science text book standard-1
260 _bEPB PAN PACIFIC
_aSINGAPORE
300 _a110
942 _cTB
999 _c847850
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