HAMDANI, A. H.; HARYANTO, A. D. The Spontaneous Combustion Potency of Lignite Coal Based on FTIR. European Journal of Environment and Earth Sciences, [S. l.], v. 3, n. 5, p. 37–40, 2022. DOI: 10.24018/ejgeo.2022.3.5.326. Disponível em: https://ej-geo.org/index.php/ejgeo/article/view/326. Acesso em: 14 jun. 2025.