Ibrahim, Eddy, Endang Wiwik D.H, and Sutopo. 2016. “New Method of Inversion Vertical Electrical Logging (IVEL) for Identification of Coal Seam Prospect of Muara Enim Regency, South Sumatera”. International Journal of Natural Sciences Research 4 (2):29-41. https://doi.org/10.18488/journal.63/2016.4.2/63.2.29.41.