analysis of the achievement gains of students who have access to an abundant supply of readily accessible audiovisual materials and equipment
By: Marvin Otto Heller
Published: 1970
Language: eng
Number of pages: 83
Subjects: Media programs (Education); Audio-visual education
Notes: Vita

Microfilm of typescript. Ann Arbor, Mich. : University Microfilms, 1970. -- 1 reel ; 35 mm

Thesis--University of Colorado, Geeley, Colorado

Bibliography: leaves 82-83