Pudjaprasetya, S.R. and Noor, D.M. 2020. 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, 2 (Jul. 2020), 192–201. DOI:https://doi.org/10.22342/jims.26.2.823.192-201.