Volume 46, Issue 1, January and February 2019, Pages 157-170
Mohamed A. Mohamed; Hemat K. Mahmoud; G. A. Abd-El-Rahman; M. S. Ayyat
Volume 44, Issue 6, November 2017, Pages 2165-2177
Mohammed A. Soliman; Hemat K.E Mahmoud; U. M. Abdel-Monem; M. S. Ayyat