FADHLY, A. .; PUTRA, J. C. .; ANARTA , R. .; SARI S, T. P. . Classification of Coal Quality Based on Proximate Analysis at CV. Bara Mitra Kencana to Meet the Requirements of Ombilin Power Plant. Journal of Innovative and Creativity (Joecy), [S. l.], v. 5, n. 1, p. 25830–25836, 2025. DOI: 10.31004/joecy.v5i1.3908. Disponível em: https://joecy.org/index.php/joecy/article/view/3908. Acesso em: 12 oct. 2026.