Herman, Danny Zulkifli. “Tinjauan Terhadap Tailing Mengandung Unsur Pencemar Arsen (As), Merkuri (Hg), Timbal (Pb), Dan Kadmium (Cd) Dari Sisa Pengolahan Bijih Logam”. Indonesian Journal on Geoscience 1, no. 1 (March 28, 2006): 31–36. Accessed June 4, 2025. https://ijog.geologi.esdm.go.id/index.php/IJOG/article/view/6.