Volume 45, Issue 2, March 2018, Pages 505-521
Ola I.M. Hegab; A. A. Abd-Elsamad; M. A.M. Hegab
Volume 44, Issue 6, November 2017, Pages 2685-2694
Abd Alla A. Abd-Elsamed; Gamila Sh. Selem; Heba A. Ismail