1. Department of Mathematics, Emerson University, Multan 60700, Pakistan
2. Centre of Advanced Studies in Pure and Applied Mathematics, Bahauddin Zakariya University, Multan 60700, Pakistan
3. Department of Mathematics, College of Sciences and Arts (Majardah), King Khalid University, Magardah 61937, Saudi Arabia
4. Department of Mathematics, College of Humanities and Science in Al Aflaj, Prince Sattam Bin Abdulaziz University, Riyadh 11912, Saudi Arabia
5. Bhawalnagar Campus, The Islamia University of Bhawalpur, Bahawalnagar 62300, Pakistan