1. Department of Mathematics, College of Science, University of Ha’il, Ha’il 81451, Saudi Arabia
2. Department of Mathematics and Computer Science, Faculty of Science, Port Said University, Port Said 42521, Egypt
3. Department of Mathematics, University of Oradea, Universitatii 1, 410087 Oradea, Romania
4. Department of Mathematics and Statistics, Quaid-e-Awam University of Engineering, Science and Technology (QUEST), Nawabshah 67450, Pakistan