Mazzilli, B. P., M. P. Campos, M. B. Nisti, C. H. R. Saueia, and M. F. Máduar. “Radiological Implications of Using Phosphogypsum As Building Material: A Case Study of Brazil”. Brazilian Journal of Radiation Sciences, vol. 8, no. 1, Mar. 2020, doi:10.15392/bjrs.v8i1.1008.