000 00617nam a2200193 a 4500
005 20240830063933.0
008 991125s1975 eng 000 0 eng u
020 _a0877780838
035 _aUPN01000014833
049 _aCG
050 4 _aLB1043
_bG7.3
100 1 _aGropper, George Leonard
245 1 0 _aDiagnosis and revision in the development of instructional materials /
_cGeorge L. Gropper.
260 _aEnglewood Cliffs, EUA :
_bEducational Technology,
_c1975.
300 _a211 p. :
_bil.
650 4 _aEnseƱanza
_vMateriales auxiliares
_912548
650 7 _aEnseƱanza programada
_2
_92238
905 _aLibro
999 _c14833
_d14833