Ramadhani DR, Rakhmawati F, Aprilia R. Prediction of Clean Water Supply Using the Fuzzy Time Series Cheng Method at PDAM Tirta Silau Piasa. JMSK [Internet]. 2023Dec.24 [cited 2025Jul.10];20(2):340-5. Available from: http://54.254.27.92/index.php/jmsk/article/view/32071