“Contribuciones para el tratamiento de aguas residuales con sistemas alternativos de bajo coste, en España = Contributions for the treatment of waste water by means of low-cost alternativa systems in Spain”, DisTeD, no. 6, pp. 27–45, Dec. 2019, Accessed: Nov. 08, 2024. [Online]. Available: https://polired.upm.es/index.php/distecd/article/view/4197