jassim Al- Mansori, Nesrin, and Saif al deen ali klakeel. “Removal Methods Assessment Through Reduction Algae Count in Uncovered Water Tank”. International Journal of Engineering and Technology, vol. 7, no. 4.20, Nov. 2018, pp. 200-4, https://doi.org/10.14419/ijet.v7i4.20.25926.