Volume 33, Issue 2, July 2019, Pages 160-179
Abdel-Azeem Mohamed Mostafa; Enas El-Sayed Sadeq; Amr Al Sayed Ismail
Volume 29, Issue 2, July 2015, Pages 109-122
Abd-Elazeem Mohammed Mostafa; Enas El-Sayed Sadeq; Noha Ezzat Tawfeeq