ŠTRUMBERGER, Nada; KOVAČIĆ, Zoran; GOSPOČIĆ, Alen. Eco-Test at Vehicle Testing Centres. Promet - Traffic&Transportation, [S. l.], v. 15, n. 5, p. 339–348, 2003. Disponível em: https://traffic2.fpz.hr/index.php/PROMTT/article/view/2047. Acesso em: 27 aug. 2025.