Volume 21, Issue 4, July and August 2015, Pages 1-10
Ahmed Eliwa; Lotfy Bendary; Ashraf Shahin; Mahmoud El Adl
Volume 20, Issue 2, March and April 2014, Pages 1-12
Abd El Rahman El Fayoumi; Ashraf Shahin; Talaat El Mokadem; Abd El Motaleb Mohammed