PURWOKO, M. The Policy on Law Enforcement of Illegal Sand Mining In Special Region of Yogyakarta. Unram Law Review, [S. l.], v. 5, n. 1, 2021. DOI: 10.29303/ulrev.v5i1.155. Disponível em: http://unramlawreview.unram.ac.id/index.php/ulrev/article/view/155. Acesso em: 8 may. 2024.