An experiment to determine the effectiveness of motion pictures with sound in teaching of material which cannot be directly portrayed in visual images
By: [by] Carl H. Ketcham and Robert W. Heath.  Title VII, Project no. 378, National defense education act of 1958, Grant no. 7-02-077.
Contributors: Heath, Robert W. 1931- joint author.
Publisher: University of Arizona
Published: 1962
Place of publication: Tucson
Language: eng
Number of pages: 20
Subjects: Motion pictures in education.