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The Economics of new educational media. Vol.2 : Cost and effectiveness.

by UNESCO.

Series: Educational methods and techniques ; 1Material type: Text Text; Literary form: Not fiction Publication details: París : UNESCO, 1980Availability: Items available for reference: Disponible (Préstamo en sala) (1) . Collection(s): UNESCO .

The Economics of new educational media. Vol.3 : Cost and effectiveness overview and synthesis / Jean-Claude Eicher ... [et al.].

by Eicher, Jean-Claude [COAUT.] | UNESCO.

Series: Educational methods and techniques ; 1Material type: Text Text; Literary form: Not fiction Publication details: París : UNESCO, 1982Availability: Items available for reference: Disponible (Préstamo en sala) (1) . Collection(s): UNESCO Call number: 371.68 (100) =20 ECO Vol. 3.

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The multilateral exchange of educational audio-visual materials : existing mechanisms and suggestions for the future.

Series: Educational methods and techniques ; 2Material type: Text Text; Format: print ; Literary form: Not fiction Publication details: París : UNESCO, 1980Availability: Items available for loan: 1 . Items available for reference: Disponible (Préstamo en sala) (1) . Collection(s): Colección General Call number: LB1043 M8.4.

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