Pelton, Gordon E., author
McGraw-Hill, 1992
Buku Teks
Gusman Jusanto, author
Universitas Indonesia, 2015
UI - Tesis (Membership)
Silverman, George, author
American Management Association;, 2011
eBooks
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UI - Makalah dan Kertas Kerja
Cohen, Elaine, 1938-, author
McGraw-Hill, 1993
Buku Teks