ANNA TERTYCHNA. CONTRIBUTION OF UKRAINIAN ORGANIZATIONS IN THE REPUBLIC OF BULGARIA TO THE DEVELOPMENT OF THE PRESENT-DAY RELATIONS BETWEEN UKRAINE AND BULGARIA. International Relations of Ukraine: Scientific Searches and Findings, [S. l.], n. 28, p. 144–173, 2019. DOI: 10.15407/mzu2019.28.144. Disponível em: https://mzu.history.org.ua/index.php/MZU/article/view/106. Acesso em: 26 jul. 2026.