Potential use of a coal mine pit lake as a raw water source in Loa Ipuh Darat, Kutai Kartanegara, Indonesia. jipt [Internet]. 2026 Aug. 17 [cited 2026 Oct. 17];5(2):161-70. Available from: https://e-journals2.unmul.ac.id/index.php/jipt/article/view/4774