Institution: | 1. Department of Engineering Sciences, Faculty of Technology and Engineering, East of Guilan, University of Guilan, 44891-63157, Rudsar-Vajargah, Iran 2. Department of Mathematics, Faculty of Mathematical Sciences, University of Mazandaran, Babolsar, Iran 3. Department of Physics and Engineering, Delaware State University, Dover, DE, 19901-2277, USA 4. Department of Mathematics, Howard University, Washington, DC, 20059, USA 5. Department of Mathematical Sciences, Delaware State University, Dover, DE, 19901-2277, USA 6. Department of Mathematics, Faculty of Science, King Abdulaziz University, Jeddah, 21589, Saudi Arabia 7. Science Program, Texas A & M University at Qatar, PO Box 23874, Doha, Qatar
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