Metrikayanto, W. D., and V. G. Valabia. “An An Educational Video For Earthquake Disaster Preparedness In Students At St. Aloysius Weetabula Christian Middle School, Southwest Sumba”. Journal of Health Sciences, vol. 14, no. 02, May 2021, pp. 166-72, doi:10.33086/jhs.v14i02.1690.