Determination of natural radionuclides in waste generated in the potable water treatment plants of the Zona da Mata of the state of Pernambuco- Brazil. Braz. J. Radiat. Sci. [Internet]. 25 de febrero de 2019 [citado 17 de julio de 2025];7(2A (Suppl.). Disponible en: https://bjrs.org.br/revista/index.php/REVISTA/article/view/763