Usman, Ediar, and I. W. Lugra. “Sediment Distribution Related to Gold and Silver Placer Deposits in Offshore of Sambas Besar Estuary, Sambas Regency, West Kalimantan”. Indonesian Journal on Geoscience 6, no. 1 (March 28, 2011): 29–42. Accessed October 18, 2024. https://ijog.geologi.esdm.go.id/index.php/IJOG/article/view/113.