Environmental radioactivity measurement in soils of an abandoned potash deposit at Holle, Republic of CongoRussel Rolphe Caroll Moubakou Diahou, Hamid Bounouira, Guy Blanchard Dallou, Rajâa Cherkaoui El Moursli and Clobite Bouka BionaE3S Web Conf., 336 (2022) 00030DOI: https://doi.org/10.1051/e3sconf/202233600030