Tarus SJ, Kituyi JL, Segor FK. Spatial and Temporal Variability of Phosphates, Nitrates and Selected Physico-Chemical Parameters of River Nzoia . AER [Internet]. 2022 Nov. 19 [cited 2025 Jan. 15];5(2):Pg 29-41. Available from: http://41.89.164.28/index.php/aerj/article/view/249