Volume 27, Issue 1, March 2002, Pages 14-25
Ahmed N. Mahmoud; Maher M. Abd Elrazzak; Abd Elaziz A. Mitkees; Hamdi A. Elmikati
Volume 14, Issue 1, June 1989, Pages 32-42
Hamdi Ahmed Ahmed Elmikati; El-Helaly Eid; Maher Abdel-Razzak