SILITONGA, Manaor. ANALISIS SISTEM KEMUDAHAN DALAM PENCAPAIAN PUSAT-PUSAT KEGIATAN PARIWISATA DI KAWASAN DANAU TOBA SEKITARNYA. ATDS Saintech Journal of Engineering, [S. l.], v. 1, n. 1, p. 13–18, 2020. Disponível em: https://ejournal.atds.ac.id/index.php/atdssaintech/article/view/36. Acesso em: 27 jun. 2026.