Perkins, Dennis N.T., 1953-, author
Amacom, 2012
Buku Teks
Perkins, Dennis, author
Amacom, 2012
Buku Teks
Uldrich, Jack, author
[American Management Association, ], 2004
eBooks
Uldrich, Jack, author
[American Management Association, ], 2005
eBooks
Rhodes, William R., author
McGraw-Hill, 2011
Buku Teks