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Hixson, C.R.: CD-ROM and the undergraduate : reference and instruction at risk (1993)
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Moore, A.: As I sit studying : WWW-based reference services (1998)
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Diella, L.: Formare al reference in una biblioteca di facolta (1998)
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Hewett, S.: ¬The future for mediated online search services in an academic institution : a case study (1997)
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Fishman, D.L.: Managing the virtual reference desk : how to plan an effective reference e-mail system (1998)
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