Volume 15, Issue 1, January 2018, Pages 59-74
Volume 13, Issue 3, July 2016, Pages 46-56
M. H. Kassar; A. M. Samy; M. Y. Khashaba; W. Y. Ali
Volume 12, Issue 2, April 2015, Pages 30-43
A. M. Samy; R. A. Ibrahim; M. M. Abdel-barr