1. Department of Mathematics, Acharya Nagarjuna University Campus, Ongole, India
2. Department of Mathematics, Lakireddy Balireddy College of Engineering, Mylavaram, India
3. Jawaharlal Nehru Technological University, Kakinada, India
4. Department of Mathematical Sciences, College of Science, Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia
5. Division of Mathematics, Department of Sciences and Humanities, Vignan's Foundation for Science, Technology and Research, Vadlamudi, India
6. Faculty of Engineering, Kuwait College of Science and Technology, Doha District, Kuwait City, Kuwait