“Determination of Lead (Pb) in Patin Fish Oil (Pangasius Hypophthalmus) Using Atomic Absorption Spectrophotometry (AAS)”. JPK : Jurnal Proteksi Kesehatan 10, no. 1 (May 31, 2021): 1–5. Accessed January 18, 2026. https://jurnal.pkr.ac.id/JPK/article/view/314.