Volume 52, Issue 5, December 2021, Pages 45-63
Bahy Raghib Bakheit Alwafy; M. B. Ali; Rasha Elsaid Mahdy; M. nashaat N. Kandeel
Volume 48, Issue 3, June 2017, Pages 22-33
Volume 37, Issue 1, March 2006, Pages 21-40
M. A. Bekheet; S. Sh. Abdullah; A .E. Ismail