1. Department of Mathematics The University of Sialkot Sialkot Pakistan
2. Department of Industrial Engineering College of Applied Sciences AL Maarefa University Riyadh Saudi Arabia
3. Department of Mechanical Engineering Faculty of Engineering Suez Canal University Ismailia Egypt
4. Department of Mathematics The University of Chenab Gujrat Pakistan
5. Department of Mathematics Institute of Arts and Sciences, Government College University Chiniot Campus Chiniot Pakistan
6. Department of Mathematics College of Science King Khalid University Abha Saudi Arabia