Paśko, J. R., & Paśko, I. (2022). Is natural science education fully effective?. Annales Universitatis Paedagogicae Cracoviensis. Studia Ad Didacticam Scientiarum Socialium Pertinentia, 343(XI), 35–44. Pobrano z https://scientiarumsocialium.uken.krakow.pl/article/view/9248