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Tonta, Y.: Analysis of search failures in document retrieval systems : a review (1992)
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Smet, E. de: Evaluation of a computerised community information system through transaction analysis and user survey (1995)
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Pasanen-Tuomainen, I.: Analysis of subject searching in the TENTTU books database (1992)
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Hider, P.M.: Search goal redefinition through user-system interaction (2007)
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Swanson, E.B.: Information systems (2009)
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