Volume 9, Issue 1, December 2020, Pages 13-30
Ramy Gaber El-Kinany
Volume 9, Issue 1, December 2020, Pages 31-44
Mostafa Zaghloul Yehia M. Abd El-Fattah, Mohamed M. Khedr Mohamed A. Elsadek
Volume 9, Issue 1, December 2020, Pages 49-56