Volume 47, Issue 2, March 2020, Pages 597-606
El-Sayed M. Abou El-Fotoh; G. A. Abd El-Rahman; M. E. Farag; B. A. Khalil; M. S. Ayyat
Volume 43, Issue 1, January 2016, Pages 195-208
Hamdy A. Mahdy; Amal H. Emara