1. Department of Mathematics, Faculty of Science, Al-Azhar University, Nasr City (11884), Cairo, Egypt
2. Institute of Space Science, Magurele-Bucharest, Romania
3. Department of Mathematics, Cankaya University, Ankara 06530, Turkey
4. Department of Mechanical Engineering, Sejong University, Seoul 05006, South Korea
5. Department of Mathematics and Computer Science, Faculty of Science, Port Said University, Port Said, Egypt