Hatami, H. and Aghayan, I. 2017. Traffic Efficiency Evaluation of Elliptical Roundabout Compared with Modern and Turbo Roundabouts Considering Traffic Signal Control. Promet - Traffic&Transportation. 29, 1 (Feb. 2017), 1-11. DOI:https://doi.org/10.7307/ptt.v29i1.2053.