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Crawford, G.A.: ¬A conjoint analysis of reference services in academic libraries (1994)
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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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Library resources on the Internet : strategies for selection and use (1992)
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Schloman, B.F.: Managing reference services in an electronic environment (1993)
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Summey, T.P.: Techno reference : impact of electronic reference resources on traditional reference services (1998)
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