Volume 44, Issue 1, April 2022, Pages 75-81
Ragab Absy; H.M. Abd EL-Fattah
Volume 40, Issue 2, August 2018, Pages 165-180
Hashim Abdel-Lattif; Ragab Absy; Mohamed Atta
Volume 39, Issue 1, July 2017, Pages 41-50
Sayed Ahmed Safina; Ragab Mahmoud