Systems techniques for pretesting mediated instructional materials
By: [by] Jay M. Sedlik.
Series: Systems engineering of education,; 14
Publisher: Education and Training Consultants Co.
Published: 1971
Place of publication: [Los Angeles
Language: eng
Number of pages: 110
Subjects: Motion pictures in education.
Notes: Bibliography: p. 93-110.
"ETC number 3.1.3.145."