1. Department of Mathematics University of Malakand Chakdara Pakistan
2. College of Engineering Al Ain University Al Ain United Arab Emirates
3. Department of Mathematics, College of Science Tafila Technical University Tafila Jordan
4. Department of Mathematics and General Sciences Prince Sultan University Riyadh Saudi Arabia
5. Institute of Mathematics University of Santiago de Compostela Santiago de Compostela Spain
6. College of Engineering and Technology American University of the Middle East Kuwait
7. Department of Mathematics and Statistics University of Swat Mingora Pakistan