Volume 27, Issue 1, March 2019, Pages 913-923
rookaya salah el-hag; A. M. Elgala; M. A.O. Elsharawy; M. A. Eid
Volume 16, Issue 2, September 2008, Pages 481-492
Hanan A. El-Marzoky; M.A. Abdel-Sattar