Mager, Robert Frank, 1923-
Preparing instructional objectives /
Robert F. Mager.
- 2d ed.
- Palo Alto, Calif. : Fearon, 1962.
- viii, [4], 60 p.
First ed. published in 1961 under title: Preparing objectives for programmed instruction.
Programmed instruction.
LB1028 .5 M3