000 00552nam a2200193 a 4500
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008 991125n 000 0 u
035 _aUPN01000083607
100 _aSCHUNK, Dale H
_937186
222 _aJOURNAL OF EDUCATIONAL PSYCHOLOGY
245 _aIntroduction to the special section on motivation and efficacy
300 _a3-6
362 _a1990 Vol. 82, no. 1, mar.
653 0 _aMOTIVACION
653 0 _aPLANEACION EDUCATIVA
653 0 _aTECNICAS DE ENSEƑANZA
904 _aAC
_b021418
905 _aArticulo
999 _c70802
_d70802