@misc{Čtrnáctová_Hana_Didactic,
 author={Čtrnáctová, Hana and Urbanová, Klára},
 howpublished={online},
 publisher={Pedagogical University of Kraków},
 language={eng},
 title={Didactic presentation as an instrument of enhancing science teaching clarity},
 type={referat},
 type={artykuł z pracy zbiorowej},
 keywords={general chemistry, PowerPoint presentation, teaching clarity},
}