Husein, Umme Salma Mujtaba, author
Business Expert Press, 2014
Buku Teks
Visser, Hans G., author
Edward Elgar, 2009
Buku Teks
Drucker, Peter F. (Peter Ferdinand), 1909-2005, author
Pan Books, 1982
Buku Teks
Drucker, Peter F. (Peter Ferdinand), 1909-2005, author
Harper & Row, 1945
Buku Teks
Drucher, Peter F
New York: H. Harper & Row, 1954
Buku Teks