Albrecht, Karl, 1941-, author
Jossey-Bass, 2006
Buku Teks
Goleman, Daniel, author
Bantam Books, 2006
Buku Teks
Goleman, Daniel, author
Bantam Dell, 2006
Buku Teks
DuBrin, Andrew J., author
Reston Publishing Company, 1983
Buku Teks
Baber, Anne, author
American Management Association, 2007
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