NOOR JABBAR JIHAD; EWADH, Hussein Ali; ALMUHANNA, Raid R.A. Turbo Design as a Countermeasure for Traffic Safety and Operation at Roundabouts. Journal of Engineering and Sustainable Development, Baghdad, Iraq, v. 30, n. 3, p. 373–383, 2026. DOI: 10.31272/jeasd.2745. Disponível em: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/2745.. Acesso em: 3 aug. 2026.