Ecological and health risk assessments of rare earth elements in soil from gold mining areas in SudanMinas Elfatih Ahmed, Hamid Bounouira, Mohamed Adam Abbo, Hamid Amsil, Abdessamad Didi, Abdelwahab Badague and Iliasse AarabE3S Web of Conf., 469 (2023) 00021DOI: https://doi.org/10.1051/e3sconf/202346900021