Volume 44, Issue 1, January 2021, Pages 1-10
Atef Gad Ellaamy; el-sayed abdelazim El-Agouz; mohamed abdelgaied
Volume 32, Issue 2, April 2009, Pages 217-222
Mohamed. A. Anany; Hamed. M. Elshewy; Fathy. E. Abdel-kader