Kusumah, Echo. “ECONOMIC CONDITION OF POST TIN MINING (CASE STUDY ON BANGKA BELITUNG ISLAND AS ONE OF THE LARGEST TIN PRODUCERS IN THE WORLD)”. PEOPLE: International Journal of Social Sciences 3, no. 3 (December 1, 2017): 252–257. Accessed November 22, 2024. https://grdspublishing.org/index.php/people/article/view/646.