The physicochemical characteristics and the pollution level of Dayet Er-Roumi Lake in MoroccoSara El Ghizi, Nezha El Aadel, Mohamed Sadik, Mohammed El Bouch and Mustapha HasnaouiE3S Web Conf., 234 (2021) 00036DOI: https://doi.org/10.1051/e3sconf/202123400036