Ananda, V., Muchti, F.A. and Widyatama, R. 2021. Providing educational videos and posters for COVID-19 self-isolating patients at home in the telemedicine program of the National Agency for Disaster Countermeasure (BNPB) Special Region of Yogyakarta (DIY). BKM Public Health and Community Medicine. (Nov. 2021).