Heagney, Joseph, author
AMACOM, 2012
Buku Teks
Lewis, James P.
American Management Association, 2007
eBooks
Heagney, Joseph, author
[American Management Association;, ], 2012
eBooks
Lewis, James P., author
Amacom, 1997
Buku Teks
Lock, Dennis, author
Gower, 2003
Buku Teks