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008 991125n 000 0 spa u
035 _aUPN01000101734
100 _aNATHAN, Mitchell J.
222 _aJOURNAL RESEARCH MATHEMATICS EDUCATION
245 _aTeachers and researchers beliefs about the development of algebraic reasoning
300 _a168-190
362 _a2000 31 (2)
653 0 _aARITMETICA
653 0 _aINTERACCION MAESTRO-INVESTIGADOR
653 0 _aRAZONAMIENTO ALGEBRAICO
700 _aKOEDINGER, Kenneth R.,coaut.
904 _aAC
_b039545
905 _aArticulo
999 _c77758
_d77758