1. Department of Mathematics, University of Jhang, Jhang 35200, Pakistan
2. Department of Mathematics, College of Science, King Khalid University, Abha 61413, Saudi Arabia
3. Department of Mathematical Sciences, Federal Urdu University of Arts, Sciences & Technology, Islamabad 44000, Pakistan
4. Department of Natural Sciences and Humanities, University of Engineering and Technology Lahore, Lahore 54890, Pakistan
5. Faculty of Science, Jiangsu University, Zhenjiang, Jiangsu 212013, China