KADARSETIA, Eka; PRIMULYANA, Sofyan; SITINJAK, Pretina; SAING, Ugan Boyson. Karakteristik kimiawi air danau kawah Gunung Api Kelud, Jawa Timur pasca letusan tahun 1990. Indonesian Journal on Geoscience, [S. l.], v. 1, n. 4, p. 185–192, 2006. DOI: 10.17014/ijog.1.4.185-192. Disponível em: https://ijog.geologi.esdm.go.id/index.php/IJOG/article/view/20. Acesso em: 7 jun. 2025.