1. WHO (2021, September 20). WHO Coronavirus Disease (COVID-19). 2 July 2021. Available online: https://covid19.who.int.
2. Corona Jakarta (2021, September 20). Pantau COVID-19 Hari Ini. 2 July 2021. Available online: https://corona.jakarta.go.id/id.
3. PDSKJI (2022, September 14). Masalah Psikologis di Era Pandemi COVID-19. 2 September 2022. Available online: http://www.pdskji.org/home.
4. Prevalence of Mental Health Problems During the COVID-19 Pandemic: A Systematic Review and Meta-analysis;Wu;J. Affect. Disord.,2021
5. Chandra, A., Karki, P., Prakash, P., Chandra, A., and Khadka, S. (2022). Impact of COVID-19 Pandemic on Quality of Sleep Among Nepalese Residents. Res. Sq.