Testing Lead (Pb) Levels in Dried Anchovies and Squid Circulating at the Sambu Market in Medan using Atomic Absorption Spectrophotometry. jisk [Internet]. 2021 Apr. 30 [cited 2026 Jan. 26];2(1):11-6. Available from: https://ejournal.sumateraconnect.or.id/index.php/jisk/article/view/8