JĘDRZEJEWSKA-MICHALAK, Patrycja. Princess of halych on the piast throne. Gryfina and her infuence on polish-hungarian and polish-czech relations in the second half of the 13th century. Resovia Sacra, [S. l.], v. 29, p. 271–296, 2023. DOI: 10.52097/rs.2022.271-296. Disponível em: https://ojs.academicon.pl/rs/article/view/6158. Acesso em: 22 jul. 2024.