Sitepu, Mester. “Hydrogeological Study of Labuhan Angin Power Station Landfill Site”. International Journal of Sciences: Basic and Applied Research (IJSBAR) 24, no. 3 (October 12, 2015): 421–427. Accessed May 19, 2024. https://www.gssrr.org/index.php/JournalOfBasicAndApplied/article/view/4644.