Doll, R. C. (1996). Curriculum improvement: Decision making and process (Ninth edition.). Allyn and Bacon.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDoll, Ronald C. Curriculum Improvement: Decision Making and Process. Ninth edition. Boston: Allyn and Bacon, 1996.
एमएलए (8वां संस्करण) प्रशस्ति पत्रDoll, Ronald C. Curriculum Improvement: Decision Making and Process. Ninth edition. Allyn and Bacon, 1996.
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