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Cherry, J.M.; Yuan, W.; Clinton, M.: Evaluating the effectiveness of a concept-based computer tutorial for OPAC users (1994)
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Leach, B.: Computer-based CD-ROM tutorials : providing effective on-demand instruction (1993)
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Freeman, H.; Rouse, R.; Hilton, A.: Making the most of electronic databases : computer based tutorials for CD-ROM network (1995)
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Huang, M.-h.: Error analysis of end users in online searching (1995)
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Cleary, J.S.: Asking the right question : formulating effective search strategies for electronic databases (1997)
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