1. Sarhad University of Science and Information Technology Peshawar Khyber Pakhtunkhwa Pakistan
2. Department of Mathematics and Statistics Bacha Khan University Charsadda Charsadda Khyber Pakhtunkhwa Pakistan
3. Department of Mathematics Abdul Wali Khan University Mardan Khyber Pakhtunkhwa Pakistan
4. Department of Mathematics College of Science and Humanities in Al‐Aflaj Prince Sattam Bin Abdulaziz University Al‐Aflaj Saudi Arabia
5. Department of Mathematics Faculty of Science Damietta University, New Damietta Damietta Egypt