Reina-Quintana, Farid Josué, et al. “Efficiency Evaluation of a Biofilter System for Phenol Removal in the Esmeraldas Refinery Effluent Area”. Maestro Y Sociedad, vol. 22, no. 3, Sept. 2025, pp. 2380-92, https://maestroysociedad.uo.edu.cu/index.php/MyS/article/view/7150.