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Engeldinger, E.A.: Improving reference : preliminary thought on a return to the classroom (1994)
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Zorn, P.: Advanced web searching : tricks of the trade (1996)
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Nicholas, D.: ¬An assessment of the online searching behaviour of practitioner end users (1996)
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Beckett, C.; Blackwell, B.H.: Document delivery : the UnCover experience (1993)
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Nicholas, D.: Are information professionals really better online searchers than end-users? : (and whose story do you believe?) (1995)
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