Determination of natural radioactivity levels in drinking water and soil at APA Passaúna (Curitiba, PR). Brazilian Journal of Radiation Sciences, Rio de Janeiro, Brazil, v. 12, n. 4A (Suppl.), p. e2747, 2025. DOI: 10.15392/2319-0612.2024.2747. Disponível em: https://www.bjrs.org.br/revista/index.php/REVISTA/article/view/2747. Acesso em: 23 may. 2025.