Doll, R. C. (1992). Curriculum improvement: Decision making and process (8th ed.). Allyn and Bacon.
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Dyfyniad Arddull Chicago
Doll, Ronald C. Curriculum Improvement: Decision Making and Process. 8th ed. Boston: Allyn and Bacon, 1992.
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Dyfyniad MLA
Doll, Ronald C. Curriculum Improvement: Decision Making and Process. 8th ed. Allyn and Bacon, 1992.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.