NASUTION, Frillia Putri; 						NALENDRA, Stevanus.
 Characterization of Coal Quality Based On Ash Content From M2 Coal-Seam Group, Muara Enim Formation, South Sumatra Basin.
<strong>Journal of Geoscience, Engineering, Environment, and Technology</strong>, [S.l.], v. 2, n. 3, p. 203-209, sep. 2017.
ISSN 2541-5794.
Available at: &lt;<a href="https://journal.uir.ac.id/index.php/JGEET/article/view/292" target="_new">https://journal.uir.ac.id/index.php/JGEET/article/view/292</a>&gt;. Date accessed: 09 dec. 2019.
doi: <a href="https://doi.org/10.24273/jgeet.2017.2.3.292">https://doi.org/10.24273/jgeet.2017.2.3.292</a>.