Mehmet ACIKGOZ
University of Gaziantep, Faculty of Arts and Science, Department of Mathematics, Gaziantep, Turkey
Erdoğan ŞEN
Department of Mathematics, Faculty of Science and Letters, Namik Kemal University, Tekirdağ, Turkey
Serkan ARACI
Atatürk Street, Hatay, Turkey
Email: mtsrkn@hotmail.com