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: 3d ed.
Publisher: Prentice-Hall
Published: 1955
Place of publication: New York
Language: eng
Number of pages: 381
Subjects: Audio-visual education.