“Description of Plumbum (Pb) Levels in Urine on Metal Smelting Workers In Small Industry Village (PIK)”. Jaringan Laboratorium Medis 2, no. 2 (December 1, 2023): 93–103. Accessed November 23, 2024. https://journal.poltekkes-smg.net/index.php/jlm/article/view/59.