CONVENTIONAL AND ADVANCED ANALYSIS OF CHAR FORMATION OF COALS. The Journals of the Nigerian Association of Mathematical Physics, [S. l.], v. 67, n. 2, p. 159–166, 2024. DOI: 10.60787/jnamp.v67i2.387. Disponível em: https://nampjournals.org.ng/index.php/home/article/view/387.. Acesso em: 21 sep. 2024.