Cahyadi, A., Reinhart, H., Wahyu Ristiawan, A., Dwi Putra, R., Labib, M. A., Naufal, M., … Dwi Laksono, A. (2021). Hydrogeology of Mangsri Cave, Gunungsewu Karst Area, Java Island, Indonesia. Sumatra Journal of Disaster, Geography and Geography Education, 5(1), 1–6. https://doi.org/10.24036/sjdgge.v5i1.356