Preparation and use of audio-visual aids
By: by Kenneth B. Haas and Harry Q. Packer. Drawings by Bert Paul Kuhn.
Contributors: Packer, Harry Q., joint author.
Edition: Rev. and enl. ed. of Preparation and use of visual aids.
Publisher: Prentice-Hall
Published: 1950
Place of publication: New York
Language: eng
Number of pages: 327
Subjects: Audio-visual education
Notes: "Sources of audio-visual aids": p. 285-320.