Volume 8, 1-B, January 2021, Pages 91-97
Eman M. Ashour; Fatma A. Khalifa; Ghada A. Khalifa
Volume 6, Issue 4, October 2019, Pages 507-515
Menerva Adel Elgazzaz; Fatma Ahmed Khalifa; Ghada Amin; Shadia A. Elsayed