Rogi, Octavianus Hendrik Alexander. “PETA KEBENCANAAN : URGENSI DAN MANFAATNYA”. MEDIA MATRASAIN 14, no. 3 (December 21, 2017): 61–76. Accessed November 5, 2024. https://ejournal.unsrat.ac.id/v3/index.php/jmm/article/view/18472.