2Bereiter C,Butis P,Scardamadia M.Cognitive operations in constructing main points in written composition. Journal of Memoryand Language, 1988 ;27:261-278
3Hayes JR,Flower LS. Identifying the organization of writing processes. In Gregg L,Steinberg E eds. Cognitive proccsses in writing. Hillsdale, NJ: Erlbaum, 1980: 3-30
4Hayes JR. Writing research:The analysis of a very complex task. In Klahr D,Kotovsky Keds. Complex information processing: The impact of H. A. Simon. Hillsdale, NJ:Eribaum,1989:209-234
5Hayes JR. A new framework for understanding cognition and affect in writing. InLevy CM, Ransdell S eds. The science of writing: Theories, methods, individualdifferences,and applications. Mahwah, NJ: Erlbaum, 1996:1-27
