Radiation hazard indices in the application of phosphogypsum mixtures as a building material: proposal for a Brazilian regulation. Brazilian Journal of Radiation Sciences, Rio de Janeiro, Brazil, v. 7, n. 3, 2019. DOI: 10.15392/bjrs.v7i3.839. Disponível em: https://www.bjrs.org.br/revista/index.php/REVISTA/article/view/839.. Acesso em: 10 may. 2024.