“Kajian Teknis Geometri Settling Pond Pada Pit 8 Penambangan Batubara PT. Megaprima Persada Job Site Pongkor Kecamatan Loakulu”. 2018. Jurnal Geologi Pertambangan (JGP) 1 (23). https://doi.org/10.53640/jgp.v1i23.572.