NGADENIN; KARUNIANTO, Adhika Junara; INDRASTOMO, Frederikus Dian. Penentuan Daerah Prospek Logam Tanah Jarang di Pulau Singkep. EKSPLORIUM, [S. l.], v. 41, n. 1, p. 15–24, 2020. DOI: 10.17146/eksplorium.2020.41.1.5853. Disponível em: https://ejournal.brin.go.id/eksplorium/article/view/8035. Acesso em: 6 dec. 2025.