Authors
Dáša Porubčanová
DTI University, Department of School Didactics, Dubnica nad Váhom, Slovakia
Lenka Pasternáková
Prešov University in Prešov, Faculty of Humanities and Natural Sciences, Prešov, Slovakia
© 2018 Dáša Porubčanová, Lenka Pasternáková, published by DTI University
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.