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Assessment and accountability in reference work (1992)
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Head, M.C.; Marcella, R.: ¬A testing question : the quality of reference services in Scottish public libraries (1993)
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Head, M.C.; Marcella, R.; Smith, J.M.: Are you being served? : The quality of business information provision in Scottish public libraries (1995)
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Stalker, J.C.; Murfin, M.E.: Quality reference service : a preliminray case study (1996)
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Whitlatch, J.B.: Reference services : research methodologies for assessment and accountability (1992)
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