Volume 29, Issue 2-B, December 2018, Pages 17-28
Motirh Kueetm Al-Mutairi
Volume 29, Issue 1-A, June 2018, Pages 17-34
Mohamed E. Saraya; Mohamed S. Thabet
Volume 21, Issue 1-C, June 2010, Pages 1-12
Ali A. EL-GHARBAWY