1. Department of Studies and Planning, University of Fallujah, Anbar, Iraq
2. Department of computer Science, College of education for pure Science, University of Wasit, Kut, Iraq
3. Department of Applied Science, Haldia Institute of Technology, Haldia, India
4. Department of Mathematics, Adamas University, Kolkata, India
5. Department of Mathematics and Sciences, Prince Sultan University, Riyadh, Saudi Arabia
6. Department of Mathematics and Applied Mathematics, Sefako Makgatho Health Sciences University, Garankuwa, Medusa, South Africa
7. Center for Applied Mathematics and Bioinformatics (CAMB), Gulf University for Science and Technology, Hawally, Kuwait