Cardoso, L. X., S. O. Souza, F. C. L. Ferreira, O. C. Ferreira, e E. Barboza. “Determination of the Concentration of Natural and Artificial Radionuclides in the Soil of the Campus of the Federal University of Sergipe”. Scientia Plena, vol. 7, nº 1, fevereiro de 2011, https://scientiaplena.emnuvens.com.br/sp/article/view/274.