ANAM, Ahsonul. Peningkatan Kualitas Batubara Peringkat Rendah dengan Teknik Flash Drying. Piston: Journal of Technical Engineering, [S. l.], v. 4, n. 1, p. 11–17, 2020. DOI: 10.32493/pjte.v4i1.7353. Disponível em: https://openjournal.unpam.ac.id/index.php/Piston/article/view/7353. Acesso em: 22 dec. 2024.