Volume 14, Issue 1, June 2020, Pages 162-181
Salama Ammar Mohamed; Momen Kamel AbouElezz; Tamer Ahmed Abdulaziz; Mahmoud Ahmed Mohammed Saleh
Volume 14, Issue 3 (Special Issue), March 2020, Pages 251-269
Rania Mohamed Bahaa Eldin; Ahmed Adel Hammad