1. World Health Organization, “COVID-19 Weekly Epidemiological Update Edition 49, 20th July 2021,” World Heal. Organ. COVID-19 Wkly. Epidermiological Updat., no. 49, 2021. p. 1-3. [Online]. Available: https://www.who.int/docs/default-source/coronaviruse/situation-reports/weekly_epidemiological_update_22.pdf. [Last accessed on 2021 Jul 25].
2. National Task Force for COVID-19, “5 Info Penting Varian Delta,” COVID-19; 2021. Available from: https://covid19.go.id/p/masyarakat-umum/5-info-penting-varian-delta. [Last accessed on 2021 Jul 25].
3. National Task Force for COVID-19, “PPKM Mikro Cara Paling Efektif Menekan Lonjakan Kasus COVID-19;” 2021. Available from: https://covid19.go.id/p/berita/ppkm-mikro-cara-paling-efektif-menekan-lonjakan-kasus-covid-19. [Last accessed on 2021 Jul 03].
4. UN OCHA, “Situation Update: Response to COVID-19 in Indonesia;” 2021. p. 1-3. Available from: https://reliefweb.int/report/indonesia/situation-update-response-covid-19-indonesia-4-january-2021-enid. [Last accessed on 2021 Aug 10].
5. Lessons learnt from easing COVID-19 restrictions: An analysis of countries and regions in Asia Pacific and Europe;Han;Lancet,2020