Hariansah, S. and handini, widya (2021) “THE RELATIONSHIP BETWEEN ENVIRONMENTAL LAW ENFORCEMENT RELATED TO ENVIRONMENTAL DEGRADATION AND TIN MINING ISSUE IN BANGKA BELITUNG ISLAND”, Berumpun: International Journal of Social, Politics, and Humanities, 4(1), pp. 1-14. doi: 10.33019/berumpun.v4i1.51.