P.Manikandan, R.Mathiyazhagan, R.Jayaprakash, and K.Lingesh. “Monitoring Input and Output Water Quality of Home Water Purifier”. International Journal of Intellectual Advancements and Research in Engineering Computations, vol. 7, no. 1, Mar. 2019, pp. 1039-45, https://ijiarec.com/ijiarec/article/view/914.