000 00470nam a2200169 a 4500
005 20231108063637.0
008 991125s1979 ea 000 0 eng u
035 _aUPN01000004846
049 _aF
050 4 _aLB1028.3
_bS2.3
100 1 _aSaettler, Paul
245 1 2 _aA assessment of the current status of educational technology /
_cPaul Saettler.
260 _a[S.l.] :
_bERIC,
_c1979.
300 _a[36] h.
650 4 _aTecnologĂ­a educativa
_94978
905 _aLibro
999 _c4846
_d4846