Mehmet Zeki SARIKAYA
Department of Mathematics, Faculty of Science and Arts, Düzce University, Düzce-TURKEY
Hüseyin BUDAK
Department of Mathematics, Faculty of Science and Arts, Düzce University, Düzce-TURKEY
Hatice YALDIZ
Department of Mathematics, Faculty of Science and Arts, Düzce University, Düzce-TURKEY