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