Mildan D, Johan M, Hakim HZ, Army EK, Mauladika AI. ESTIMATE COAL RESOURCES IN BLOCK 3 KEBAN SOUTH SUMATERA USING USGS CIRCULAR 891. Program Studi S1 Teknik Pertambangan Universitas Papua [Internet]. 2026 May 30 [cited 2026 May 30];9(1):8-15. Available from: https://jurnal-intan.ac.id/index.php/intan/article/view/370