Volume 9, Issue 1, 2015, Pages 69-75
Marguerite A. Rizk; Mona M. Ghallab; A. Y. Zaki
Volume 7, Issue 2, December 2013, Pages 45-51
Marguerite A. Rizk; Mona M. Ghallab; A. Y. Zaki; B. S. Wahba