The Encyclopaedia of educational media communications and technology
By: edited by Derick Unwin and Ray McAleese ; foreword by Geoffrey Hubbard.
Contributors: Unwin, Derick.; McAleese, Ray.
Edition: 2nd ed.
Publisher: Greenwood
Published: 1988
Place of publication: New York; London
Language: eng
Number of pages: 640
Subjects: Educational technology -- Dictionaries.
Notes: Previous ed., London , Macmillan, 1978.

Includes index.