Volume 43, Issue 1, January 2020, Pages 1-9
K. A. Ibrahim; W. A. El-Askary; Tarek A. Ghonim; Ahmed M. Nebiewa
Volume 39, Issue 1, January 2016, Pages 61-79
K. A. Ibrahim; W. A. El-Askary; I. M. Sakr; Hamdy A. Omara
Volume 34, Issue 4, October 2011, Pages 361-375
K. A. Ibrahim; W. A. El-Askary; E. Wahba; Hamdy A. Omara
Volume 32, Issue 2, April 2009, Pages 131-143
M. Nasr; A. Abdel- fattah; W. A. El-Askary
Volume 32, Issue 2, April 2009, Pages 145-161
W. A. El-Askary