El-Gohary, Hatem, author
Business Science Reference, cop, 2015
Buku Teks
Arouri, Mohamed, editor
Academic Press, 2014
eBooks
Warde, Ibrahim
Ibrahim Warde, 2010
Buku Teks
Warde, Ibrahim, author
Edinburgh University Press, 2000
Buku Teks
Temporal, Paul
John Wiley & Sons, 2011
Buku Teks