SINULINGGA, S. .; POHAN, R. A. R. .; JANUARINI, E. . Optimizing Sustainable Tourism in North Sumatra: An Analytic Hierarchy Process Approach Using Alternative Sustainability Metrics. Journal of Research in Mathematics Trends and Technology, [S. l.], v. 6, n. 1, p. 35–45, 2024. DOI: 10.32734/jormtt.v6i1.17740. Disponível em: https://talenta.usu.ac.id/jormtt/article/view/17740. Acesso em: 26 aug. 2025.