An analysis of certain time and cost measures involved in the use of instructional technology systems
By: by Frederick G. Knirk.
Publisher: University Microfilms
Published: 1974
Place of publication: Ann Arbor, Mich
Language: eng
Number of pages: 184
Subjects: Audio-visual education.; Audio-visual materials.
Notes: Microfilm xerography.

Thesis (Ph.D.)--Wayne State University.

Bibliography: leaves 161-184.