[1]
“Zoning for the Risk of Methane Gas Explosions in coal Mining in Boyac#xE1; (Colombia)”, GJRE, vol. 22, no. J1, pp. 23–29, Feb. 2022, Accessed: Jun. 21, 2026. [Online]. Available: https://engineeringresearch.org/index.php/GJRE/article/view/101202