IRZON, Ronaldo. REE-Bearing Minerals in Tin Waste Dumps of Singkep Island: Geochemical Identification and Recovery. Indonesian Journal on Geoscience, [S. l.], v. 9, n. 1, p. 15–26, 2021. DOI: 10.17014/ijog.9.1.15-26. Disponível em: https://ijog.geologi.esdm.go.id/index.php/IJOG/article/view/721. Acesso em: 2 jul. 2024.