The Economics of new educational media
Subtitle: Vol. 3: cost and effectiveness overview and synthesis
By: by Jean-Claude Eicher...[et al.].
Contributors: Eicher, Jean Claude; Unesco.
Series: Educational methods and techniques -- 1
Publisher: Unesco Press
Published: 1982
Place of publication: Paris
Language: eng
Number of pages: 150
Subjects: Educational technology -- Cost effectiveness.; Teaching -- Aids and devices -- Costs.
Notes: Bibliography: p. [143]-150.