Ahmed M. Elaiw This email address is being protected from spambots. You need JavaScript enabled to view it.^1,2 and Matuka A. Alshaikh^1,3

¹Department of Mathematics, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia
²Department of Mathematics, Faculty of Science, Al-Azhar University, Assiut, Egypt
³Department of Mathematics, Faculty of Science, Taif University, Saudi Arabia

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