Rahmawati, et al. “Development of a Regional Based Disaster Learning Model at Senior High School: Bahasa Inggris”. Jurnal Spatial Wahana Komunikasi Dan Informasi Geografi, vol. 21, no. 2, Sept. 2021, pp. 1-8, https://journal.unj.ac.id/unj/index.php/spatial/article/view/20944.