Farabi M, Tejamaya M. Respiratory Protection Programs (RPP) Implementation at Production Unit of A Tin Smelter at Bangka Belitung Islands Province . JIKM [Internet]. 2020 Nov. 30 [cited 2024 Nov. 21];11(3):248-63. Available from: https://ejournal.fkm.unsri.ac.id/index.php/jikm/article/view/551