Doll, R. C. (1992). Curriculum improvement: Decision making and process (8th ed.). Allyn and Bacon.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDoll, Ronald C. Curriculum Improvement: Decision Making and Process. 8th ed. Boston: Allyn and Bacon, 1992.
एमएलए (9वां संस्करण) प्रशस्ति पत्रDoll, Ronald C. Curriculum Improvement: Decision Making and Process. 8th ed. Allyn and Bacon, 1992.
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