Volume 29, Issue 2, December 2009, Pages 179-194
Mohamed Heibashy; Walaa El-Nahrawy; Nashwa Zaki
Volume 28, Issue 2, December 2008, Pages 45-60
Mohamed Heibashy; Walaa El-Nahrawy
Volume 28, Issue 2, December 2008, Pages 91-102
Mohamed Heibashy; Amal El-Nahla; Sherif Saleh