Batubara, Muslimatul Husnah, and Wahyu Syarvina. “Changes in Consumer Behavior in Water Use Resulting in an Increase in Monthly Water Account Arrears Since the Covid-19 Pandemic (Case Study of PDAM Tirtanadi Cemara Branch, North Sumatra Province) ”. Journal of Indonesian Management 2, no. 1 (March 20, 2022): 34– 38. Accessed April 27, 2025. https://penerbitadm.pubmedia.id/index.php/JIM/article/view/442.