Instructional film research 1918-1950 - Hoban, Charles Francis 1906-; Van Ormer, Edward Bunn 1903-.; Pennsylvania. State College. Instructional Film Research Program (New York Arno Press, 1970)
First issued in 1951 as Technical report no. SDC 269-7-19 of the instructional Film Research Program, Pennsylvania. State College.
Keywords: Moving-pictures in education