Volume 31, Issue 2, June 2011, Pages 221-240
Adel Zalata; Abdelnaser Badawy; Naglaa Mokhtar; Mohamed Serria; Hanaa Abdeen; Moheiddin Alghobary; Rizk Elbaz; Manal Ramadan
Volume 30, Issue 2, June 2010, Pages 21-34
Gamal Othman; Abd Elnaser badawy; Rizk Elbaz; Ahmad Ragab