Alternative media technologies for the Open University
Subtitle: a research report on costed alternatives to the direct transmission of audio-visual materials
By: by Tony Bates and Larry Kern.
Contributors: Kern, Larry.; Institute of Educational Technology.
Series: I.E.T. papers on broadcasting -- no.79
Publisher: Open University
Published: 1977
Place of publication: [Milton Keynes]
Language: eng
Number of pages: 72