Zhu hang, Goh, Nelda Maelissa, Loh Zhang Zhan, Atik Widiyanti, Winda Umarie, and Eddy Setiadi Soedjono. “Monitoring and Maintaining Groundwater Quality: Challenges and Management”. Environmental and Toxicology Management 2, no. 2 (September 6, 2022): 14–20. Accessed November 23, 2024. https://journal2.unusa.ac.id/index.php/ETM/article/view/3408.