This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Anna Drozdíková
Department of Didactics in Science, Psychology and Pedagogy, Faculty of Natural Sciences, Comenius University in Bratislava, Mlynská dolina, 842 15 Bratislava, Slovak Republic, phone +421 2 602 96 311
Miroslav Prokša
Department of Didactics in Science, Psychology and Pedagogy, Faculty of Natural Sciences, Comenius University in Bratislava, Mlynská dolina, 842 15 Bratislava, Slovak Republic, phone +421 2 602 96 313