Subehi, Luki, Hendro Wibowo, and Kwansue Jung. 2016. “Characteristics of Rainfall-Discharge and Water Quality at Limboto Lake, Gorontalo, Indonesia”. Journal of Engineering and Technological Sciences 48 (3):288-300. https://doi.org/10.5614/j.eng.technol.sci.2016.48.3.4.