Volume 49, Issue 12, December 2020, Pages 66-97
Amr F. H. Mosalamy; Ahmed H. Amer; Mohamed A. Khalifa; Salah O. Abo- El-Enein
Volume 49, Issue 11, November 2020, Pages 69-100
Bahaa M. A. El-Ganam; Mohamed A. Khalifa; Wael F. Abdel-Baset
Volume 49, Issue 11, November 2020, Pages 191-216
Karam A. I Hegazi; Mohamed A. Khalifa; Salah H. Slam; Hoda I. Helal