KŁOSOWICZ, Robert (ED.). Pioneers of African Studies in Kraków: In memory of Professor Roman Stopa (1895-1995). Poland: Księgarnia Akademicka Publishing,2020. DOI: 10.12797/9788381382359. Disponível em: https://books.akademicka.pl/publishing/catalog/book/86. Acesso em: 19 jun. 2025.