Volume 38, October-December, October 2017, Pages 761-769
Eman, E. Habib; Sherif,M. Shamsia; Sameh,A. Awad; Hamed,M. Ziena
Volume 33, April-June, April 2012, Pages 99-107
Mostafa R.A.; Moharram Y.G.; Attia R.S.; El–Sharnouby S.A