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*24500$aDiscrete mathematics across the curriculum, K-12$cMargaret J. Kenney, editor
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*300  $aviii, 248 s.$bill.
*4901 $aYearbook/National Council of Teachers of Mathematics$v1991
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*830 0$aYearbook (National Council of Teachers of Mathematics)$x0077-4103$v1991$w999324471394702201$_30753200
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