Instructional media in the learning process
By: [by] Heyden [sic] R. Smith [and] Thomas S. Nagle.
Contributors: Nagle, Thomas S., joint author.
Publisher: C. E. Merrill Pub. Co.
Published: 1972
Place of publication: Columbus, Ohio
Language: eng
Number of pages: 120
Subjects: Teaching -- Aids and devices; Audio-visual education
Notes: Includes bibliographies.