GÓŹDŹ, Joanna. Biography of Masutatsu Oyama. In: DUBAS, Elżbieta; SZTOBRYN-BOCHOMULSKA, Justyna (eds.). Difficult situation in biographies: Volume 9. Biography and Biography ResearchPoland: Lodz University Press,2025. p. 29–37. DOI: 10.18778/8331-754-0.03. Disponível em: https://press.uni.lodz.pl/index.php/wul/catalog/book/1381/chapter/4345. Acesso em: 29 jan. 2026.