The why, what and when of audio-visuals
Subtitle: 75 audio-visual tools that can help you communicate effectively
Contributors: Association of National Advertisers. Audio-Visual Committee
Publisher: Association of National Advertisers
Published: 1961
Place of publication: New York
Language: eng
Number of pages: 39
Subjects: Audio-visual equipment -- Bibliography; Audio-visual education -- Bibliography
Genres: Bibliography
Notes: "Prepared...under the auspices of the A.N.A. Audio-Visual Committee."

Includes bibliography