Instructional film research 1918-1950

Bibliographic Details
Main Author:	Hoban, Charles Francis 1906-
Corporate Author:	Pennsylvania. State College. Instructional Film Research Program
Other Authors:	Van Ormer, Edward Bunn 1903-
Format:	Book
Language:	English
Published:	New York Arno Press 1970.
Subjects:	Moving-pictures in education.