Volume 39, Issue 1, September 2020, Pages 154-158
Nasser sayed Abdel-Atty; fathy ahmed khalafalla; Dina ahmed Barakat
Volume 28, Issue 2, June 2015, Pages 135-140
Saad M. Saad; Abo Bakr M. Edris; Mohammed A. Hassan; Shimaa N.M. Edris