Volume 46, Issue 2, June 2021, Pages 13-22
Essam Ahmed; Hassan Abd-elzaher Mahdy; Hamdy Elsayed Mohamed
Volume 46, Issue 2, June 2021, Pages 70-77
elmustafa faraj elawkali; Hassan Abd-elzaher Mahdy; Hamdy Elsayed Mohamed; ahmed atef soliman
Volume 45, Issue 4, December 2020, Pages 33-40
Ahmed Essam Dahab; Hassan Abd-elzaher Mahdy; Khaled Kandil
Volume 45, Issue 2, June 2020, Pages 8-19
Mohamed Mohiey Eldien Helal; Hassan Abd-elzaher Mahdy; Mokhtar Fahmy Ibrahim