Volume 29, Issue 1, January 2019, Pages 20-38
Manal El- Shaer
Volume 25, Issue 4, October 2015, Pages 1-43
Ghada Omar; Shimaa Shattara
Volume 25, Issue 2, April 2015, Pages 77-108
Amr Hasona; Randa Malony; Nesren El Melegy