Sudang N, Sopyan M, A. S. Gold Mining in Boh River (2007-2021). yupa. hist. stud. j. [Internet]. 2026 Jul. 5 [cited 2026 Jul. 5];10(2):96-104. Available from: https://jurnal.fkip.unmul.ac.id/index.php/yupa/article/view/6341