Djaya, Andika, dan Febryanto Masulili. “ PROVINSI SULAWESI UTARA”. Journal Geological Processes, Risks, and Integrated Spatial Modeling 3, no. 1 (Agustus 10, 2025): 8–27. Diakses Mei 31, 2026. https://jurnal.prisma.ac.id/index.php/jgprism/article/view/295.