The Online Writing Lab (OWL) at Purdue University houses writing resources and instructional material, and we provide these as a free service of the Writing Lab at Purdue. Students, members of the community, and users worldwide will find information to assist with many writing projects.
M. Scardamalia, и C. Bereiter. Advances in applied psycholinguistics, 2: Reading, writing, and language learning, Cambridge University Press, Cambridge, (1987)