Volume 31, Issue 4, October 2020, Pages 95-100
Ahmed M. Semeda; Ibrahim A. Yousef; Al Shimaa I. Roushdy
Volume 31, Issue 3, July 2020, Pages 381-384
Ibrahim A. Yousef; Assist. Jozef Z. Attia; Moustafa R. laky
Volume 30, Issue 4, October 2019, Pages 238-242
Ibrahim A. Yousef; Ahmed Hassanein; Ahmed G. Ali Shahat