The Encyclopaedia of educational media communications and technology
By: [edited by] Derick Unwin and Ray McAleese.
Contributors: Unwin, Derick.; McAleese, Ray.
Publisher: Macmillan Press
Published: 1978
Place of publication: London
Language: eng
Number of pages: 800
Subjects: Audio-visual materials -- Dictionaries.; Educational technology -- Dictionaries.
Notes: Includes bibliographies.