Assessment of groundwater quality in the region of Hjar Nhal for safe drinking water purposesMohamed-Amine Lahkim-Bennani, Mouad Lahkim Bennani, Haitam Afilal and Abdelghani Afailal TribakE3S Web Conf., 502 (2024) 04008DOI: https://doi.org/10.1051/e3sconf/202450204008