G. SOFIA, Gandhi; H. AL-HADDAD, Abdulhaq; SAEED AL-HAYDARI, Israa. Development of Delay Models for Roundabouts. Journal of Engineering and Sustainable Development, Baghdad, Iraq, v. 16, n. 1, p. 75–91, 2012. Disponível em: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/1163.. Acesso em: 3 apr. 2025.