1. Department of Mathematics Northern University Nowshera Khyber Pakhtunkhwa Pakistan
2. Department of Mathematics and Statistics Jordan University of Science and Technology Irbid Jordan
3. Department of Mathematics COMSATS University Islamabad Lahore Pakistan
4. College of Engineering King Saud University Riyadh Saudi Arabia
5. Department of Chemistry College of Science King Saud University Riyadh Saudi Arabia
6. School of Chemical Engineering Yeungnam University Gyeongsan South Korea