Volume 25, Issue 2, April 2015, Pages 1-24
Yousif Elhassaneen; Sherif Ragab; Khaled Saber
Volume 25, Issue 1, January 2015, Pages 105-115
Yousif Elhassaneen; Wedad Saif
Volume 24, Issue 2, April 2014, Pages 41-56
Yousif Elhassaneen; Shiref Ragab; Wafaa Moustafa