TAMATAMAH , R. A. Phosphorus sorption in relation to soil grain size and geochemical composition in the Simiyu and Kagera river basins, Tanzania . Tanzania Journal of Science, [S. l.], v. 31, n. 2, p. 33–39, 2021. Disponível em: https://tjs.udsm.ac.tz/index.php/tjs/article/view/385. Acesso em: 6 may. 2024.