Mager, Robert Frank, 1923- Preparing instructional objectives / Robert F. Mager. - Rev. 2nd ed. - Belmont, Calif. : Pitman Management and Training, c1984. - vi, 136 p. : ill. ; 24 cm. Includes bibliographical references. ISBN: 0822443414 (pbk.) LCCN: 83060503 Subjects--Topical Terms: Programmed instruction. LC Class. No.: LB1028.5 / .M2 1984 Dewey Class. No.: 371.3/9442