000 00515nam a2200205 a 4500
005 20210219153010.0
008 991125n 000 0 u
035 _aUPN01000072391
100 _aRUTHVEN, Kenneth
222 _aMICROMATH
245 _aDeveloping algebra with the supercalculator
300 _a23-25
362 _a1993 Vol. 9, no. 1, mar.-jun.
653 0 _aALGEBRA
653 0 _aEAC
653 0 _aEDUCACION SECUNDARIA
653 0 _aENSEƑANZA
904 _aAC
_b010202
905 _aArticulo
999 _c65888
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