Preparing instructional objectives /
Mager, Robert Frank 1923-
Preparing instructional objectives / Robert F. Mager. - 2nd ed. - Belmont: Fearon, 1975. - 136 p. ; 21 cm.
082245601X
Programmed instruction
371.3
Preparing instructional objectives / Robert F. Mager. - 2nd ed. - Belmont: Fearon, 1975. - 136 p. ; 21 cm.
082245601X
Programmed instruction
371.3