EVALUATING THE IMPLEMENTATION OF JEMBER REGENCY SPATIAL PLANNING REGULATION NO. 1 OF 2015 IN GEOMORPHOLOGICAL CONSERVATION OF HUMMOCKS (GUMUK). Indonesian Journal of Environment and Disaster, [S. l.], v. 5, n. 1, p. 139–153, 2026. DOI: 10.20961/ijed.v5i1.3001. Disponível em: https://journal.uns.ac.id/index.php/ijed/article/view/3001. Acesso em: 2 apr. 2026.