1. Department of Mathematics Federal University Oye‐Ekiti Ekiti State Nigeria
2. Department of Mathematics College of Computing and Mathematics King Fahd University of Petroleum and Minerals Dhahran Saudi Arabia
3. Center for Smart Mobility and Logistics King Fahd University of Petroleum and Minerals Dhahran Saudi Arabia
4. Interdisciplinary Research Center for Refining & Advanced Chemicals King Fahd University of Petroleum and Minerals Dhahran Saudi Arabia