Danilewicz-Prokorym, Wiktoria. “Legal Activities to Build the Image of Bialystok With the Esperanto Brand”. Miscellanea Historico-Iuridica 20, no. 1 (December 22, 2021): 239–252. Accessed June 29, 2022. http://miscellanea.uwb.edu.pl/article/view/569.