PERIĆ, Teodor; ŠTRUMBERGER, Nada. Demand Elasticity on the Transport Market. Promet - Traffic&Transportation, [S. l.], v. 14, n. 5, p. 225–230, 2002. Disponível em: https://traffic2.fpz.hr/index.php/PROMTT/article/view/2001. Acesso em: 27 aug. 2025.