The design of instructional equipment: two views
By: by Humboldt W. Leverenz and Malcolm G. Townsley.
Contributors: Townsley, Malcolm G.; United States. Dept. of Health, Education, and Welfare. Research project.
Series: National Education Association of the United States. Technological Development Project. Occasional paper -- no. 8.; Occasional paper (National Education Association of the United States. Technological Development Project) -- no. 8.
Publisher: Technological Development Project, National Education Association of the United States
Published: 1962
Place of publication: Los Angeles
Language: eng
Number of pages: 51
Subjects: Teaching -- Aids and devices.; Audio-visual education.
Notes: "The Technological Development Project of NEA was created under contract no. SAE-9073 with the United States Office of Education, Department of Health, Education and Welfare."

Bibliography: p. 49-51.