In the Company of man : twenty potraits by anthropologists / Edietd by Joseph B. Casagrande
Harper & Brothers, 1960
 Buku Teks SO
Choate, Mark S.
Professional wikis
Wiley, 2008
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Kurtz, David L.
Professional selling
Business Publications, 1982
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The core curriculum in professional psychology
edited by Roger L. Peterson ... [and others]
American Psychological Association, 1991
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Cataloging: the professional development cycle
Greenwood Press , 1991
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