Gómez-Valenzuela, Víctor, y Francisco Alpízar. 2020. «Results of the Contingent Valuation to Estimate the Environmental Impacts Caused by Rock-Ash Discharge». Ciencia, Economía Y Negocios 4 (1), 5-24. https://doi.org/10.22206/ceyn.2020.v4i1.pp5-24.