Volume 20, Issue 2, July 2021, Pages 85-100
Usama Elkelany; Mostafa Hammam; Wafaa El-Nagdi; Hassan Abd-El-Khair
Volume 20, Issue 2, July 2021, Pages 110-119
Mahmoud Youssef; Wafaa El-Nagdi
Volume 18, Issue 1, January 2019, Pages 1-17
Mostafa Hammam; Wafaa El-Nagdi; H. Abd- El-Khair; Mahfouz Abdel Gawad