Volume 47, Issue 2, April 2018, Pages 403-422
Eman S. Mahmoud; Azza H. Abd Elwahab; Asmaa F. Yousuf
Volume 45, Issue 4, October 2016, Pages 931-956
Basma K. Ramadan; Salwa A. Mohammad; Eman S. Mahmoud; Enass A. Ouda