Authors
Yüksel Soykan
Department of Mathematics, Art and Science Faculty, Zonguldak Bülent Ecevit University, Zonguldak, Turkey
Erkan Taşdemir
Pınarhisar Vocational School of Higher Education, Kırklareli University, Kırklareli, Turkey
© 2020 Yüksel Soykan, Erkan Taşdemir, published by University of Silesia in Katowice, Institute of Mathematics
This work is licensed under the Creative Commons Attribution 4.0 License.