Bartel, C. R. (1976). Instructional analysis and materials development. ATS.
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Dyfyniad Arddull Chicago
Bartel, Carl R. Instructional Analysis and Materials Development. Illinois: ATS, 1976.
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Dyfyniad MLA
Bartel, Carl R. Instructional Analysis and Materials Development. ATS, 1976.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.