The personalized system of instruction
By: J. Gilmour Sherman and Robert S. Ruskin.
Contributors: Ruskin, Robert S., joint author.
Series: The Instructional design library ;; v. 13
Publisher: Educational Technology Publications
Published: 1978
Place of publication: Englewood Cliffs, N.J
Language: eng
Number of pages: 114
Subjects: Independent study.
Notes: Bibliography: p. 51-53.