Havrik, R. ., A. A. . Fatah, H. . Ustinova-Boichenko, V. . Yamkovyi, and M. . Yunatskyi. “LEGAL REGULATION OF DE FACTO MARRIAGE”. Lex Humana (ISSN 2175-0947), vol. 15, no. 1, Feb. 2023, pp. 370-82, https://seer.ucp.br/seer/index.php/LexHumana/article/view/2454.