Kortmann, Sebastian, author
[Gabler Verlag, Gabler Verlag], 2012
eBooks
Baker, David, author
Chandos Publishing, 2007
Buku Teks
Michael, Stephen R., author
McGraw-Hill, 1981
Buku Teks
Lee, Grossman, author
Amacom, 1974
Buku Teks
Kotter, John P., 1947-, author
Harvard Business School Press, 2002
Buku Teks