AMRIZAL, Amrizal; KUSUMADI, Kusumadi; FADLI, Fadli; SAMIRAN, Samiran. Alternative Road Economic Feasibility Study Medan-Berastagi Via Tuntungan Intersection-Sibolangit. International Journal of Science, Technology & Management, [S. l.], v. 4, n. 1, p. 14–22, 2023. DOI: 10.46729/ijstm.v4i1.710. Disponível em: https://ijstm.inarah.co.id/index.php/ijstm/article/view/710. Acesso em: 24 feb. 2026.