Sudrajat, O. A., P. C. Wardhani, F. . Timur, R. Pravitasari, R. C. Rizkiarna, and D. R. . Perwitasari. “Monitoring of Raw and Treated Water Quality Based on Nitrate Parameter at Ngagel Water Treatment Plant Using Spectrophotometry Method”. Faraday: Journal of Fundamental Physics, Research, and Applied Science, vol. 1, no. 1, Jan. 2025, pp. 32-38, doi:10.33005/faraday.v1i1.6.