Reference resources a systematic approach par Doyle, James M

Reference and information services an introduction par Cassell, Kay Ann

Know it all, find it fast an A-Z source guide for the enquiry desk par Duckett, R. J. Robert John, Walker, Peter 1967-, Donnelly, Christinea

Reference and information services in the 21st century an introduction par Cassell, Kay Ann

Reference and information services in the 21st century an introduction par Cassell, Kay Ann

Recommended reference books for small and medium-sized libraries and media centres

Reference and information services in the 21st century an introduction par Cassell, Kay Ann

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Know it all, find it fast an A-Z source guide for the enquiry desk par Duckett, Robert John, Walker, Peter 1967-, Donnelly, Christinea

Reference and information services in the 21st century an introduction par Cassell, Kay Ann

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Reference and information services in the 21st century an introduction par Cassell, Kay Ann

Introduction to reference work reference services and reference processes par Katz, William A.

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Introduction to reference work par Katz, William A. 1924-

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Reference and information services an introduction par Cassell, Kay Ann

Reference and information services an introduction par Cassell, Kay Ann

Reference and Information Services An introduction par Cassell, Kay Ann, Hiremath, Uma

Reference and information services an introduction par Cassell, Kay Ann