Volume 27, Issue 2, September and October 2019, Pages 1307-1323
Amr Ahmed Ewida; M. M. Nasr; H. E.H. Sarhan
Volume 25, Issue 1, March 2017, Pages 213-224
I. A. Bahy El-Din; M. A.M. Ali; M. A.M. El-Khawas