Augustin, Sally
John & Sons, Inc, 2009
Buku Teks
by Jeffrey Harrison, Robert E. Hoskisson, R. Duane Ireland, Michael A. Hitt
South Western Cengage Learning, 2013
Buku Teks
Porter, Michael E.
The Free Press , 1990
Buku Teks
Bendell, Tony
Elex Media Komputindo, 2000
Buku Teks
Bendell, Tony
Elex Media Komputindo, 2000
Buku Teks