Siringoringo, Yuni Elfrina. “2D GEOELECTRIC DATA ANALYSIS FOR COAL LAYER DETERMINATION AND COAL RESOURCE ESTIMATION: Case Study in the Neira Field, North Kalimantan”. KURVATEK 11, no. 1 (April 30, 2026): 29–36. Accessed June 23, 2026. https://journal.itny.ac.id/index.php/krvtk/article/view/6218.