The encyclopaedia of educational media communications and technology /

Bibliographic Details
Main Authors:	Unwin, Derick, McAleese, Ray
Format:
Published:	New York : Greenwood Pr, 1988
Subjects:	Audio-visual education Audio-visual materials Educational technology

The encyclopaedia of educational media communications and technology / by Unwin, Derick, McAleese, Ray

Published 1978