Volume 18, Issue 4, December 1993, Pages 35-51
Abdel-Razik Ahmed Zidan
Volume 8, Issue 2, December 1983, Pages 1-19
Ahmed Abdel-Razik Zidan; T. Owais; M. Abdel-Moati; A. El-Masry
Volume 8, Issue 1, June 1983, Pages 56-76
Ahmed Abdel-Razik Zidan; Talaat Owais; Saad Hamed Saad Moharram