MAJCHRZAK-PTAK, K. Semiphores in the Julius Maximilian University of Würzburg Space(s). The Educational Study. Przegląd Badań Edukacyjnych (Educational Studies Review), [S. l.], n. 34, p. 43–67, 2021. DOI: 10.12775/PBE.2021.019. Disponível em: https://apcz.umk.pl/PBE/article/view/34350. Acesso em: 19 jul. 2024.