Hidayatullah Sidiq, Supandi, Sulistianto B, Karian T. DETERMINATION OF DISPOSAL MATERIAL DENSITY IN OPEN-PIT COAL MINE DISPOSAL AREA. INTERNATIONAL JOURNAL OF GEOMATE [Internet]. 2025 Oct. 13 [cited 2025 Nov. 10];29(134):149-58. Available from: https://geomatejournal.com/geomate/article/view/5150