Risma, Risma, and Wijayono Hadi Sukrisno. “The Effectiveness Of Environmental Law Enforcement Against Tin Mining Activities In Lubuk Besar Sub-District, Central Bangka Regency From A Constitutional Law Perspective”. Journal of Law, Politic and Humanities, vol. 6, no. 3, Apr. 2026, pp. 2171-80, doi:10.38035/jlph.v6i3.3181.