Survey of British research in audio-visual aids (including cumulative index, 1945-1975)
Coppen, Helen(Helen Elizabeth)
Rodwell, Susie.
National Committee for Audio-Visual Aids in Education.
Educational Foundation for Visual Aids (Great Britain)
London : National Committee for Audio-Visual Aids in Education : Educational Foundation for Visual Aids,
[1976]
Previous ed.: 1968
Includes index
Audio-visual education
Education