1.
Kusumah E. ECONOMIC CONDITION OF POST TIN MINING (CASE STUDY ON BANGKA BELITUNG ISLAND AS ONE OF THE LARGEST TIN PRODUCERS IN THE WORLD). pijss [Internet]. 2017 Dec. 1 [cited 2024 May 3];3(3):252-7. Available from: https://grdspublishing.org/index.php/people/article/view/646