Rosa, Mychelle Munyck Linhares, Maria Helena Tirollo Taddei, Luan Teixeira Vieira Cheberle, Paulo Sérgio Cardoso Silva, and Vera Akiko Maihara. 2019. “A Comparative Study Using Different Resins to Determine Thorium Isotopes”. Brazilian Journal of Radiation Sciences 7 (2A (Suppl.). https://doi.org/10.15392/bjrs.v7i2A.644.