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2. Robert J. Johnson. 1998. User-centered technology: A rhetorical theory for computers and other mundane artifacts. Albany NY: State University of New York Press. Robert J. Johnson. 1998. User-centered technology: A rhetorical theory for computers and other mundane artifacts. Albany NY: State University of New York Press.
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4. Jakob Nielsen. 1993. Usability engineering. Cambridge MA: Academic Press Inc. Jakob Nielsen. 1993. Usability engineering. Cambridge MA: Academic Press Inc.
5. Donald A. Norman. 2013. The design of everyday things: Revised and expanded edition. New York NY: Basic books. Donald A. Norman. 2013. The design of everyday things: Revised and expanded edition. New York NY: Basic books.