Mukarramah, A. Aenul Tul, Anshariah Anshariah2, and Agus Ardianto Budiman. 2024. “Analysis of Coal Seam Identification Based on Drilling Data in Nunukan Regency, North Kalimantan”. Journal of Geology and Exploration 3 (2):77-83. https://doi.org/10.58227/jge.v3i2.187.