SAPUTRA, I. A. E. .; ANSHARIAH, A.; THAMSI, A. B. Perbandingan Karakteristik Batubara Daerah Sorong Papua Barat Daya Dan Daerah Kalimantan Selatan. Journal of Mining Insight, [S. l.], v. 2, n. 4, p. 111–117, 2024. DOI: 10.58227/jmi.v2i4.285. Disponível em: https://ejournal.insightpublisher.com/index.php/JMI/article/view/285. Acesso em: 13 oct. 2025.