OSTAN, Iztok. Models of Social Exploitation with Special Emphasis on Slovenc Traffic Economics. Promet - Traffic&Transportation, [S. l.], v. 17, n. 1, p. 9–15, 2005. Disponível em: https://traffic2.fpz.hr/index.php/PROMTT/article/view/2098. Acesso em: 28 aug. 2025.