Niyongabo , A. ., L. . Niyokindi, and P. . Hatungimana. “Evaluation of the Water Quality of Sewage Treatment Plant Effluents (SETREP) and Its Effects on Water Quality in the Kinyankonge River in Burundi”. Journal of Applied Biosciences, vol. 162, no. 1, June 2021, pp. 16744-53, https://www.ajol.info/index.php/jab/article/view/233364.