MAKUNDI, I. N.; NYAKI, M. M.; MOHAMMED, N. K. Assessment of radioactivity levels in coal and coal ash in Kiwira coal mine using gamma-ray spectrometry. Tanzania Journal of Science, [S. l.], v. 44, n. 3, p. 1–11, 2021. Disponível em: https://tjs.udsm.ac.tz/index.php/tjs/article/view/283. Acesso em: 29 apr. 2024.