Volume 7, Issue 32, March 2022, Pages 22-38
hany abu alazm; Ahmed Hamed Mostafa El Maallawy
Volume 4, Issue 16, July and August 2019, Pages 23-44
ayman Abdel Halim; Ahmed Hamed Mostafa El Maallawy; Waleed Hassen
Volume 4, Issue 15, May and June 2019, Pages 1-20
Ayman Abdel Halim; Ahmed Mostafa; Waleed Hassan