Mager, Robert Frank, 4 0 1923-
Preparing instructional objectives / 6
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Robert F. Mager.
- 2d ed.
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- 136 p. : ill. 21 cm.
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First ed. published in 1961 under title: Preparing objectives for programmed instruction.
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082245601X : $3.95
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Programmed instruction. --------20--
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LB1028.5 / .M2 19752
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