“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 November 8, 2025. https://journal.ubb.ac.id/index.php/promine/article/view/1646.