Volume 49, Issue 12, December 2020, Pages 1-37
Esraa G. A. Metwally; Osama M. Farid; Iman M. A. Jadoua; Wael F. Abd el basat
Volume 49, Issue 3, March 2020, Pages 343-376
Wafaa Al-Najjar; Osama M. Farid; Mohamed A. Abdel Hamid