Volume 50, Issue 9, September 2021, Pages 359-376
Ali A. Maan; Taha A.M. Razek; Ashraf I. Hafez
Volume 49, Issue 8, August 2020, Pages 1-33
Assmaa S. Mostafa; Mostafa M. Khalil; Ashraf I. Hafez
Volume 49, Issue 8, August 2020, Pages 117-141
Al-Shimaa M. Mahmoud; Mahmoud A. Hewehy; Ashraf I. Hafez
Volume 45, Issue 3, March 2019, Pages 21-47
Hoda M. Ismail; Mohamed Gh. Elmalky; Ahmed I. Hashem; Ashraf I. Hafez