POPEK, K. Remarks on the Theories on the Origin of Muslims in Bulgarian Lands – Nineteenth-Century and Present Perspectives. Studia z Dziejów Rosji i Europy Środkowo-Wschodniej, [S. l.], v. 55, n. 3, p. 125–141, 2020. DOI: 10.12775/SDR.2020.EN5.06. Disponível em: https://apcz.umk.pl/SDR/article/view/SDR.2020.EN5.06. Acesso em: 4 mar. 2024.