Mager, R. F. (1962). Preparing instructional objectives. Lear Siegler.
Chicago Style (17th ed.) CitationMager, Robert F. Preparing Instructional Objectives. Los Angeles: Lear Siegler, 1962.
MLA (9th ed.) CitationMager, Robert F. Preparing Instructional Objectives. Lear Siegler, 1962.
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