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Whitlatch, J.B.: Unobtrusive studies and the quality of academic library reference services (1989)
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Whitlatch, J.B.: ¬The role of the academic reference librarian (1990)
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Whitlatch, J.B.: Customer service : implications for reference practice (1995)
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Whitlatch, J.B.: Reference services : research methodologies for assessment and accountability (1992)
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