Th-232 Radiological Aspects of Carbonate Niobium Mining Waste Use as Agricultural Amendment. Brazilian Journal of Radiation Sciences, Rio de Janeiro, Brazil, v. 11, n. 1A (Suppl.), p. 1–21, 2023. DOI: 10.15392/2319-0612.2023.2223. Disponível em: https://bjrs.org.br/revista/index.php/REVISTA/article/view/2223. Acesso em: 2 apr. 2025.