Mamulak, Yulita Iryani, and Chatarina Gradict Semiun. “Contribution of Riparian Vegetation to Water Quality in Spring Water Oras”. Indonesian Journal of Applied Research (IJAR) 2, no. 1 (April 27, 2021): 28-32. Accessed April 20, 2024. https://iojs.unida.ac.id/index.php/IJAR/article/view/95.