Volume 41, APRIL-JUNE, June 2020, Pages 191-204
Hasaan A. Elkhatib; Said M. Gabr; Alaa H. Roshdy; Radi S. Kasi
Volume 38, October-December, October 2017, Pages 933-939
Hasaan. A. Elkhatib; Saide M. Gabr; Alaa H. Roshdy; Mostafa M. Abd Al-Haleem