Volume 45, Issue 2, March 2018, Pages 505-521
Ola I.M. Hegab; A. A. Abd-Elsamad; M. A.M. Hegab
Volume 43, Issue 5, September 2016, Pages 1705-1722
Fatma A.I. Abo-Alnor; Ola I.M. Hegab; A. M. Hegab; A. A. Abd-Elsamad