Fecal pollution indicators removal by a vertical Multi-Soil-Layering system in domestic wastewater in MoroccoAziz Taouraout, Abdelkader Chahlaoui, Driss Belghyti, Imane Taha, Driss Bengoumi and Rachid BouamriE3S Web Conf., 234 (2021) 00050DOI: https://doi.org/10.1051/e3sconf/202123400050