Jatnika, H., Yudhi S. Purwanto, Moch. Farid Rifai and Rian Hasiando Silaen (2021) “Web-Based Automated Rainwater Storage and Water Quality Monitoring Design Using K-Nearest Neighbor Method”, Jurnal E-Komtek (Elektro-Komputer-Teknik), 5(1), pp. 65-74. doi: 10.37339/e-komtek.v5i1.551.