Tamatamah RA. Phosphorus sorption in relation to soil grain size and geochemical composition in the Simiyu and Kagera river basins, Tanzania . Tanz. J. Sci. [Internet]. 2021 Apr. 18 [cited 2025 Jul. 26];31(2):33-9. Available from: http://www.tjs.udsm.ac.tz/index.php/tjs/article/view/385