Crowdfunding as a modern direction of business angel investing in Ukraine. Bulletin of Kharkiv National University of Internal Affairs, [S. l.], v. 95, n. 4, p. 79–89, 2021. DOI: 10.32631/v.2021.4.05. Disponível em: https://visnyk.univd.edu.ua/index.php/VNUAF/article/view/430. Acesso em: 16 sep. 2025.