Authors
Önder Gökmen Yıldız
Department of Mathematics, Faculty of Arts and Science, Bilecik Şeyh Edebali University, Bilecik, Turkey
Selman Hızal
Distance Education Research And Application Centre, Sakarya University, Sakarya, Turkey
Mahmut Akyiğit
Department of Mathematics, Faculty of Arts and Science, Sakarya University, Sakarya, Turkey