“Analysis of Mercury Content (Hg) in Lake Payawan Gold Mining Area Tumbang Panggo Village, Tasik Payawan District Katingan Regency”. PROMINE 7, no. 2 (December 25, 2019): 59–64. Accessed April 13, 2026. https://www.journal.ubb.ac.id/index.php/promine/article/view/1646.