LUGWISHA, E. H. J. . Thermal and x-ray investigations of kowak clay in northwestern Tanzania and its possible industrial use . Tanzania Journal of Science, [S. l.], v. 32, n. 2, p. 81–90, 2021. Disponível em: https://tjs.udsm.ac.tz/index.php/tjs/article/view/601. Acesso em: 3 may. 2024.