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Cassell, Kay Ann

Reference and information services in the 21st century : an introduction - 2nd ed. - New York: Neal-Schuman Publishers, 2009 - xvii, 461 p.; ill.: 23 cm.

ISBN: 9781555706722 (pbk)

Subjects--Topical Terms:
Electronic reference services (Libraries)
Electronic reference sources -- Directories
Reference books -- Bibliography
Reference services (Libraries)

Dewey Class. No.: 025.524 / CAS