Sawicka, Jadwiga2024-04-282024-04-282018-12Warstwy Nr 2 (2018), s. 2-52544-4824https://repozytorium.ur.edu.pl/handle/item/10433polAttribution-NonCommercial-NoDerivs 3.0 Polandhttp://creativecommons.org/licenses/by-nc-nd/3.0/pl/article