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Murfin, M.E.; Gugelchuk, G.M.: Development and testing of a reference transaction assessment instrument (1987)
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- Source
- College and research libraries. 48(1987), S.314-338
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Bunge, C.A.; Murfin, M.E.: Reference questions : data from the field (1987)
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- Source
- Reference quarterly. 27(1987), S.15-18