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Cline Morgan Koon
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Motion pictures in education in the United States
Cline Morgan Koon · The University of Chicago press
88 sayfa · 1934
Motion pictures / Motion pictures in education
School use of visual aids
Cline Morgan Koon · U.S. Govt. print. off.
68 sayfa · 1938
Motion pictures in education / Visual education
National visual education directory
Cline Morgan Koon · American Council on Education
269 sayfa · 1936
Directories / Education / Motion pictures in education / Visual education
Sources of visual aids and equipment for instructional use in schools
Cline Morgan Koon · U.S. Govt. Print. Off.
44 sayfa · 1937
Catalogs / Motion pictures / Slides (Photography) / Visual education