PRICING PROBLEM IN PUBLIC PASSENGER TRANSPORT SERVICES AND MANNERS OF REMUNERATION OPERATORS. Perner’s Contacts, [S. l.], v. 6, n. 3, p. 155–159, 2011. Disponível em: https://ojs-demo.upce.cz/index.php/perner/article/view/860. Acesso em: 3 mar. 2026.