Hendri Faisal, Fitria Wati, and Dwi Setio Purnomo , trans. “Testing Lead (Pb) Levels in Dried Anchovies and Squid Circulating at the Sambu Market in Medan Using Atomic Absorption Spectrophotometry”. Jurnal Indah Sains dan Klinis 2, no. 1 (April 30, 2021): 11–16. Accessed August 27, 2025. https://ejournal.sumateraconnect.or.id/index.php/jisk/article/view/8.