KNEISLER, Olha; SHUPA, Lesia. Optimization pricing in the market for voluntary health insurance. Scientific journal «World of Finance», [S. l.], n. 3(52), p. 7–18, 2019. DOI: 10.35774/sf2017.03.007. Disponível em: https://sf.wunu.edu.ua/index.php/wof/article/view/1132. Acesso em: 4 jun. 2026.