Volume 14, Issue 1, May 2016, Pages 99-113
Tamer I. Bostan; Helmy A. Torky; Ashraf M. Ahmed; Omnia F. Hassan
Volume 10, Issue 1, April 2012, Pages 61-79
Ahmed M. Ammar; Salwa M. Helmy; Soad A. Abd El – wanis; Nehal M. Nabil