1. Department of Mathematics, Faculty of Arts and Sciences, Isik University, 34980 Sile-Istanbul, Turkey
2. Department of Mathematics, Faculty of Sciences and Humanities, Prince Sattam Bin Abdulaziz University, Alkharj 11942, Kingdom of Saudi Arabia
3. Department of Basic Engineering Science, Faculty of Engineering, Menofia University, Shebin El-Kom 32511, Egypt