Volume 16, Issue 4, September and October 2012, Pages 113-128
Ahemd Hellal; Ali Gab-Alla; Nesreen Morsy; Saad Mohamed
Volume 14, Issue 2, May and June 2010, Pages 39-51
Wafaa Sallam; Ali Gab-Alla
Volume 14, Issue 2, May and June 2010, Pages 79-93
Ali Gab-Alla; Moustafa Fouda; Waleed Morsy
Volume 4, Issue 1, January and February 2000, Pages 179-196
Ali Gab-Alla
Volume 2, Issue 2, March and April 1998, Pages 19-34
Mahmoud H. Hanafy; Ali A. Gab-Alla
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