1. Department of Mathematics and Computer Science, Faculty of Science and Technology, Rajamangala University of Technology Thanyaburi (RMUTT) Thanyaburi, Pathumthani, Thailand
2. Department of Mathematics, College of Science, University of Ha’il, Ha’il 2440, Saudi Arabia
3. Deanship of Joint First Year Umm Al-Qura University Makkah, P.O. Box 715, Saudi Arabia
4. Central Department of Mathematics, Tribhuvan University, Kritipur, Kathmandu, Nepal