Mohamed AbdelhakemCanadian International College -Mathematics Department - Faculty of Science - Helwan UniversityVerified email at science.helwan.edu.eg
M El-KadyProfessor of Math, Helwan University, Cairo , Egypt & Canadian International College CICVerified email at cic-cairo.com
Dumitru BaleanuLebanese American University,Beirut, Professor at Institute of Space Sciences,BucharestVerified email at lau.edu.lb