Volume 47, Issue 1, January and February 2022, Pages 35-48
Ahmed Tharwat Sarhan; Moheb Mina Iskander; Karim Nassar; Mahmoud El-Gamal
Volume 45, Issue 3, September 2020, Pages 11-21
Tharwat Sarhan; Nada Ahmed Mansour; Mahmoud El-Gamal
Volume 16, Issue 1, May 1991, Pages 61-71
Mahmoud Mohamed Abd El-Aziz El-Gamal
Volume 16, Issue 1, May 1991, Pages 72-82
Mahmoud Mohamed Abd El-Aziz El-Gamal