TY  - BOOK
AU  - Coppen,Helen Elizabeth
ED  - National Committee for Audio-Visual Aids in Education
ED  - Educational Foundation for Visual Aids, London
TI  - Survey of British research in audio-visual aids
PY  - 1968///
CY  - Educational Foundation  for Visual Aids, London
PB  - National Committee for Audio-Visual Aids in Education.
KW  - Audio
KW  - visual education
KW  - Great Britain
KW  - Bibliography
KW  - Abstracts
ER  -