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Flower, Linda; Hayes, John R. (1980). "The Cognition of Discovery: Defining a Rhetorical Problem". College Composition and Communication. 31 (1): 21–32. doi:10.2307/356630. JSTOR356630.
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jstor.org
Flower, Linda; Hayes, John R. (1980). "The Cognition of Discovery: Defining a Rhetorical Problem". College Composition and Communication. 31 (1): 21–32. doi:10.2307/356630. JSTOR356630.