1. Department of Humanities and Sciences School of Electrical Engineering and Computer Science (SEECS) National University of Sciences and Technology (NUST) Islamabad Pakistan
2. Department of Mathematics University of Jeddah Jeddah Saudi Arabia
3. Division of Physical Sciences and Engineering King Abdullah University of Science and Technology Thuwal Saudi Arabia
4. Department of Studies and Basic Sciences Applied College University of Tabuk Tabuk Saudi Arabia
5. Department of Mathematics College of Sciences King Khalid University Abha Saudi Arabia