HARTUTI PURNAWENI, KISMARTINI, BULAN PRABAWANI, ALI ROZIQIN. Politics and Business: The Policy on Tin Mining in Bangka. Int. j. bus. econ. aff. [Internet]. 2019Jun.30 [cited 2024Nov.27];4(3):133-9. Available from: https://ijbea.com/ojs/index.php/ijbea/article/view/111