1. Department of Mathematics, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
2. Department of Mathematics, Faculty of Science, Beni-Suef University, Beni Suef, Egypt
3. Chemical and Materials Engineering Department, Faculty of Engineering, King Abdulaziz University, Jeddah, Saudi Arabia
4. Department of Mathematics and Computer Sciences, Cankaya University, 06530 Ankara, Turkey
5. Institute of Space Sciences, Magurele, 76900 Bucharest, Romania