1. Hamid A. Jalab:
Faculty of Computer Science and Information Technology, University Malaya, 50603, Malaysia
2. Rabha W. Ibrahim:
Institute of Mathematical Sciences, University Malaya, 50603, Malaysia
3. Shayma A. Murad:
Department of Mathematics, Faculty of Science, Duhok University, Kurdistan, Iraq
4. Samir B. Hadid:
Department of Mathematics and Basic Sciences, College of Education and Basic Sciences, Ajman University of Science and Technology, UAE