“Evaluation of the Acid Leaching Technique for Recovery of U3O8 and ThO2 in Niobium Tantalum Slag”. Brazilian Journal of Radiation Sciences 11, no. 1A (Suppl.) (May 30, 2023): 01–17. Accessed May 8, 2024. https://www.bjrs.org.br/revista/index.php/REVISTA/article/view/2165.