@misc{_2020,
 copyright={Copyright by Joanna Wojdon},
 address={Wrocław},
 howpublished={online},
 year={2020},
 publisher={Uniwersytet Wrocławski Wydział Nauk Historycznych i Pedagogicznych Instytut Historyczny},
 publisher={http://wnhip.uni.wroc.pl/Instytut-Historyczny},
 language={pol},
 abstract={A set of teaching materials for history of Poland in 4th grade.},
 keywords={teaching resources, history lessons, history education, historical thinking, school textbook, history of Poland, grammar school, lesson plans, 4th grade, grammar school education},
}