Metrikayanto, W.D. and Valabia , V.G. 2021. An An Educational Video For Earthquake Disaster Preparedness In Students At St. Aloysius Weetabula Christian Middle School, Southwest Sumba. Journal of Health Sciences. 14, 02 (May 2021), 166–172. DOI:https://doi.org/10.33086/jhs.v14i02.1690.