W. F. Hernández Gómez and S. A. Larrota Rangel, “Evaluation of the efficiency of wastewater treatment systems in the Comunera province, Santander-Colombia”, ambiental, no. 2, pp. 43–55, Dec. 2018, Accessed: Dec. 22, 2025. [Online]. Available: https://revistas.unilibre.edu.co/index.php/ambiental/article/view/5796