1. Department of Mathematics, Faculty of Science, University of Ha'il, Ha'il 2440, Saudi Arabia
2. Department of Mathematics, Abdul Wali Khan University, Mardan 23200, Pakistan
3. Department of Mathematics, Faculty of Science, Zarqa University, Zarqa 13110, Jordan
4. Department of Mathematics, Faculty of Science, Khon Kaen University, Khon Kaen 40002, Thailand