Dimas Raka Kurniawan Putra, Syamsul Maarif and Lilik Kurniawan 2023. Community Preparedness in Facing Mount Semeru Eruption to Support National Security. International Journal Of Humanities Education and Social Sciences. 2, 5 (Apr. 2023). DOI:https://doi.org/10.55227/ijhess.v2i5.448.