Montaño-Chinchilla, Claudia, Jorge Molina-Escobar, Ludger Suarez-Burgoa, and Elkin Ceballos-Guerra. 2019. “Design of an Economically Feasible Support for the Replacement of Pillars in Providencia Mine, Antioquia - Stage 1”. Revista Facultad De Ingeniería 28 (51), 89-104. https://doi.org/10.19053/01211129.v28.n51.2019.9199.