Kajian teknis geometri settling pond pada pit 8 Penambangan batubara PT. Megaprima persada Job site pongkor kecamatan loakulu. j.geologi.pertamb. [Internet]. 2018 Feb. 1 [cited 2025 Aug. 24];1(23). Available from: https://ejurnal.unikarta.ac.id/index.php/jgp/article/view/572