Tarigan, Herlina, E Erwidodo, Henri Wira Perkasa, and W Widhiantini. “Sustainable Agricultural Systems Upstream of the Citarum Watershed: Social, Economic and Environmental Implications”. KnE Life Sciences 7, no. 3 (June 7, 2022): 228–239. Accessed April 25, 2024. https://knepublishing.com/index.php/KnE-Life/article/view/11122.