Volume 37, October-December, December 2016, Pages 581-597
Heba M. Y. Abdel Aziz; Laila M. I. El-Khordy; Ekram R. M. Soliman
Volume 33, April-June, April 2012, Pages 131-144
Sumayyah O.S. AL-Lahyani; Ekram R. M. Soliman