000 00516nam a2200181 a 4500
005 20210219153129.0
008 991125n 000 0 u
035 _aUPN01000079284
100 1 _aBrophy, Jere
222 _aTHEORY AND RESEARCH IN SOCIAL EDUCATION
245 _aFifth-grade u.s. history : how one teacher arranged to focus on key ideas in depth
300 _a141-155
362 0 _a1992 Vol. 20, no. 2
653 0 _aENSEƑANZA
653 0 _aHISTORIA
904 _aAC
_b017095
905 _aArticulo
999 _c68998
_d68998