Mager, R. F. (1962). Preparing instructional objectives. Fearon.
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Dyfyniad Arddull Chicago
Mager, Robert Frank. Preparing Instructional Objectives. Palo Alto, Calif.: Fearon, 1962.
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Dyfyniad MLA
Mager, Robert Frank. Preparing Instructional Objectives. Fearon, 1962.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.