1. Department of Chemical and Materials Engineering, Faculty of Engineering, King Abdulaziz University, P.O. Box 80204, Jeddah 21589, Saudi Arabia
2. Department of Mathematics and Computer Sciences, Cankaya University, Yenimahalle, 06810 Ankara, Turkey
3. Institute of Space Sciences, P.O. Box MG-23, Măgurele, 76900 Bucharest, Romania
4. Department of Mathematics, Anand International College of Engineering, Jaipur 303012, India