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003 OSt
005 20221005120439.0
006 a|||||r|||| 00| 0
007 ta
008 221004b |||||||| |||| 00| 0 eng d
020 _a923101997x
024 _a23515
037 _cTextual
040 _aCRL
_cCRL
_beng
041 _2eng
_aeng
082 _aT0aD65,8(B), M2.3
100 _aEicher Jean-Claude and others
_9629147
245 0 _aEconomics of new educational media. V3
_b Cost and effectiveness overview and synthesis
260 _c1981
300 _a149p.
_ccm.
650 _aEDUCATION
942 _hT0aD65,8(B), M2.3
_cTEXL
_2cc
999 _c1038067
_d1038067