1. Department of Mathematics, Institute of Arts and Sciences, Government College University Faisalabad, Chiniot Campus, Pakistan
2. Statistics Department, Faculty of Commerce, Al-Azhar University, Egypt
3. Quantitative Analysis Department, College of Business Administration, King Saud University, Riyadh, Saudi Arabia
4. Department of Mathematics, Riphah International University Faisalabad, Pakistan
5. Department of Chemistry and Its Teaching Methods, Tashkent State Pedagogical University, Uzbekistan
6. Department of Mechanical Engineering, Prince Mohammad Bin Fahd University, Al-Khobar, Kingdom of Saudi Arabia