000 00599nam a2200205 a 4500
005 20210219153509.0
008 991125n 000 0 eng u
035 _aUPN01000102934
100 1 _aDuckworth, Eleanor Ruth
222 0 _aHARVARD EDUCATIONAL REVIEW
245 0 0 _aTwenty four, forty two, and I love you : keeping it complex
260 _aMassachusetts, EUA
300 _a1-24
362 0 _a1991 Vol. 61, no. 1, feb.
653 0 _aEDUCACION PREESCOLAR
653 0 _aEDUCACION PRIMARIA
653 0 _aPROCESO DE ENSEƑANZA-APRENDIZAJE
904 _aAC
_b040745
905 _aArticulo
999 _c78429
_d78429