Sugiarto, Wahyu, and Theophila Listiyani Retno Astuti. “The Utilization of Punan River Water for Communities Around the Mine, Gunung Tabur District, Berau Regency, East Kalimantan”. ReTII 18, no. 1 (November 4, 2023): 749-758. Accessed November 21, 2024. //journal.itny.ac.id/index.php/ReTII/article/view/4573.