Londoño Vélez, Santiago, and Francisco José Molina Pérez. “State-of-the-Art Review on WWTPs in Antioquia: Levels, Technologies, Flaws and Operational Setbacks”. Producción + Limpia, vol. 18, no. 1, July 2023, pp. 173-91, https://doi.org/10.22507/pml.v18n1a11.