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Sugar, W.: User-centered perspective of information retrieval research and analysis methods (1995)
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Silkes, S.R.: Online information retrieval in school library media centers : a cognitive viewpoint (1997)
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Sugar, W.A.: Impact of user-centred design methodology on the design of information systems (1995)
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Jacobson, M.J.: Issues in hypertext and hypermedia research : toward a framework for linking theory-to-design (1994)
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Qvortrup, L.: Scandinavian human-centre systems design : theoretical reflections and challenges (1996)
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