Kesumah, Puja Prana, Sarwo Sucitra Amin, Jarot Wiratama, and Bagus Adhitya. “Identification of Coal Distribution Pattern Using Well Logging Method Based on Gamma Ray Log Data and Log Density in Area X PT PMC Site Sungai Lilin: Identification of Coal Distribution Pattern”. Jurnal Bio-Geo Material Dan Energi 3, no. 2 (September 30, 2023): 47-59. Accessed August 25, 2024. https://online-journal.unja.ac.id/bigme/article/view/30785.