Çetin Yildiz

Atatürk University, K.K. Education Faculty, Department of Mathematics, 25240, Campus, Erzurum, Turkey

M. Emіn Özdemіr

Uludağ University, Education Faculty, Department of Mathematics, 16059, Bursa, Turkey

Havva Kavurmaci Önalan

Van Yüzüncü Yil University, Faculty of Education, Department of Mathematics Education, Van, Turkey