Chebotarev С. Modelling of economy of risk. Chrezvychaynye situatsii: obrazovanie i nauka, [S. l.], v. 2, n. 1, p. 23–28, 2007. Disponível em: https://journals.ucp.by/index.php/gei/article/view/739. Acesso em: 3 jul. 2024.