000 00421nab a2200145Ia 4500
003 ES-SlBCS
005 20210601124307.0
008 140529s1978 xxu||||| |||| 00| 0 eng d
041 _aeng
100 1 _aSmith, Philip L.
_9139286
245 0 0 _aOn Creating and Using Standards
_c Philip L. Smith
650 0 4 _aEducación
_986687
773 0 _tEducational Theory
_gvol. 28, nº. 1, 1978, págs. 44-53
_wRev1399
942 _cAR
999 _c512438
_d512438