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Crews, K.D.: ¬The accuracy of reference service : variables for research and implementation (1988)
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Conflicts in reference services (1985)
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Umlauf, K.: Verbraucherberatung in der Stadtbibliothek Ludwigsburg (1989)
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Derr, R.L.: Questions: definitions, structure, and classification (1985)
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Jahoda, G.; Braunagel, J.S.: ¬The librarian and reference queries : a systematic approach (1980)
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Markey, K.: Levels of question formulation in negotiation of information need during the online presearch interview : a proposed model (1981)
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Derr, R.L.: ¬A conceptual analysis of information need (1983)
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Durrance, J.C.: Community information services : an innovation at the beginning of its second decade (1984)
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Childers, T.: Information and referral : public libraries (1983)
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Kuhlthau, C.C.: Developing a model of the library search process : cognitive and affective aspects (1988)
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Hattendorf, L.C.: ¬The art of reference collection development (1989)
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Adams, M.S.; Judd, B.: Evaluating reference librarians : using goal analysis as a first step (1984)
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Altmann, E.: Assessment of reference services (1982)
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Gers, R.; Seward, L.J.: Improving reference performance : results of a statewide study (1985)
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James, G.R.: Reference: analysis, management and training (1982)
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