SIREGAR, Onan Marakali; SELWENDRI, Selwendri. Analysis of Tourist Preferences for Ecotourism Attractions in North Sumatera. Research Horizon, [S. l.], v. 4, n. 3, p. 1–12, 2024. DOI: 10.54518/rh.4.3.2024.237. Disponível em: https://journal.lifescifi.com/index.php/RH/article/view/237. Acesso em: 8 jun. 2026.