1. Department of Mathematical Sciences Karakoram International University, Gilgit, Pakistan
2. Department of Mathematics, Riphah International University, Islamabad, Pakistan
3. Department of Mechanical Engineering, Lebanese American University, Beirut, Lebanon
4. Pedagogical Sciences, Scientific Affairs, Tashkent State Pedagogical University, Tashkent, Uzbekistan
5. Department of Physics, College of Science, Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia