Volume 24, Issue 2, August 2021, Pages 261-272
A. S. El-Shafey; Asmaa Sh. Elnaggar; M. I. El-Kelawy
Volume 23, Issue 1, April 2020, Pages 87-98
M. I. El-Kelawy; A. S. El-Shafey; H. A. Hamdon
Volume 20, Issue 3, December 2017, Pages 535-543
M. I. El-Kelawy; A. S. El-Shafey; Reham M. Ali