Volume 48, Issue 3, May and June 2021, Pages 671-678
Mohammad A.A. Salem A.A. Salem; S. I. Yousif; S. M.A. El Shakaa; S. M. Abd Alla
Volume 45, Issue 4, July 2018, Pages 1283-1289
Mohamed A. Khattaby; S. I . Yousif; Walaa M.M. Helaly; R. E. Sanad