@misc{Mrvoš-Sermek_Draginja_How,
 author={Mrvoš-Sermek, Draginja and Vicković, Ivan and Kuštelega Andreja},
 howpublished={online},
 publisher={Pedagogical University of Kraków},
 language={eng},
 type={referat},
 type={artykuł z pracy zbiorowej},
 title={How students in croatian secondary schools understand chemical equilibrium},
 keywords={conceptual understanding, chemical equilibrium, Croatian schools},
}