Volume 20, Issue 3, September 2020, Pages 55-65
Khaled ِAbdelfattah Badr; Amani Abdel Fattah; Iman Gaballah
Volume 17, Issue 1, June 2017, Pages 147-162
Dr. Afaf Abd El-Raouf Shaaban; Dr. Islam Mostafa Farrag; Ass. Prof. Eman Saad Bayoumy