Amrizal, A., Kusumadi, K., Fadli, F., & Samiran, S. (2023). Alternative Road Economic Feasibility Study Medan-Berastagi Via Tuntungan Intersection-Sibolangit. International Journal of Science, Technology & Management, 4(1), 14-22. https://doi.org/10.46729/ijstm.v4i1.710