Ray, K.; Driscoll, J.R.: New directions for microcomputer-based hypertext systems (1990)
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Banwell, L.; Ray, K.; Coulson, G.; Urquhart, C.; Lonsdale, R.; Armstrong, C.; Thomas, R.; Spink, S.; Yeoman, A.; Fenton, R.; Rowley, J.: ¬The JISC User Behaviour Monitoring and Evaluation Framework (2004)
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- Journal of documentation. 60(2004) no.3, S.302-320
