HERMAN, Danny Zulkifli. Tinjauan Kemungkinan Sebaran Unsur Tanah Jarang (REE) di Lingkungan Panas Bumi. Indonesian Journal on Geoscience, [S. l.], v. 4, n. 1, p. 1–8, 2009. DOI: 10.17014/ijog.4.1.1-8. Disponível em: https://ijog.geologi.esdm.go.id/index.php/IJOG/article/view/65. Acesso em: 15 mar. 2025.