Prof. Samir H. SakerProf. of Mathematics, Mansoura University, EgyptVerified email at mans.edu.eg
Muntaser SafanProfessor of Biomathematics, Mathematics Department, Faculty of Science, Mansoura University, EgyptVerified email at mans.edu.eg
Mohamed Abdalla Darwish محمد عبدالل...Professor of Mathematics, Department of Mathematics, Faculty of Science, Damanhour University, EgyptVerified email at sci.dmu.edu.eg