Volume 10, Issue 4, June 2017, Pages 81-92
Sanaa A. El Sattar; Said A. Doha; Shabaan M. El Hossary; Bahira M. El Sawaf
Volume 2, Issue 1, June 2009, Pages 9-5
Adel R. Fahmy; Abdalla M. Samy; Said A. Doha; Magdi G. Shehata