Pudjaprasetya, Sri Redjeki, and Dear Michiko Noor. “An Analysis of A Three-Phase Versus A Four-Phase Traffic Lights Regulation for A Four-Leg Intersection”. Journal of the Indonesian Mathematical Society 26, no. 2 (July 10, 2020): 192–201. Accessed November 21, 2024. https://jims-a.org./index.php/jimsa/article/view/823.