Ruyani, R, and A Herlambang. “The Contribution of Socio-Economic Institution of Citarum Community to The Spring Conservation Effort”. Proceeding Interuniversity Forum for Strengthening Academic Competency 1, no. 1 (May 29, 2019): 361 - 366. Accessed March 29, 2024. http://proceedings.conference.unpas.ac.id/index.php/ifsac/article/view/188.