KŁOSOWICZ, Robert (RED.). Pioneers of African Studies in Kraków: In memory of Professor Roman Stopa (1895-1995). Poland: Wydawnictwo Księgarnia Akademicka,2020. DOI: 10.12797/9788381382359. Disponível em: https://books.akademicka.pl/publishing/catalog/book/86. Acesso em: 1 sty. 2026.