JUAN SEBASTI#XE1;N ARTEAGA. Zoning for the Risk of Methane Gas Explosions in coal Mining in Boyac#xE1; (Colombia). Global Journals of Research in Engineering, [S. l.], v. 22, n. J1, p. 23–29, 2022. Disponível em: https://engineeringresearch.org/index.php/GJRE/article/view/101202. Acesso em: 4 may. 2024.