000 00367nam a2200157Ia 4500
020 _a0574282505
040 _cPK-LaCSN
082 _a510
_bDEV
100 _a"DeVault, M. Vere"
245 0 _aMathematics learning system
260 _c2013
_bMcGraw Hill
_aNew york
300 _a80
942 _cBK
999 _c837718
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