Water quality of Pulejajar Underground River, Karst of Gunung Sewu as the basis of karst management. Sustainability (STPP) Theory, Practice and Policy, [S. l.], v. 1, n. 1, p. 77–94, 2023. DOI: 10.30631/sdgs.v1i1.890. Disponível em: https://e-journal.lp2m.uinjambi.ac.id/ojp/index.php/SDGs/article/view/890. Acesso em: 23 nov. 2025.