Instrumental Neutron Activation Analysis (INAA) As-sessment of REE of Soil from Mining Site Umuahia, Abia State, South East, Nigeria. Brazilian Journal of Radiation Sciences, Rio de Janeiro, Brazil, v. 12, n. 1, p. e2336, 2024. DOI: 10.15392/2319-0612.2024.2336. Disponível em: https://www.bjrs.org.br/revista/index.php/REVISTA/article/view/2336.. Acesso em: 13 may. 2024.