Modern developments in audiovisual instruction A presentation prepared for the International Conference and Exhibition, Education today and tomorrow-planning the role of audio-visual aids, UNESCO Building, Paris, 11th-15th November 1963.

Dades bibliogràfiques
Autor principal: Witt, Paul W.F
Format: Llibre
Idioma:English
Publicat: [New York s.n. 1964].
Matèries: