Comprehension of Posted Highway Traffic Signs in Iraq. Tikrit Journal of Engineering Sciences, [S. l.], v. 19, n. 1, p. 62–70, 2012. DOI: 10.25130/tjes.19.1.07. Disponível em: https://www.tj-es.com/ojs/index.php/tjes/article/view/438.. Acesso em: 10 sep. 2026.