S. Sahlan, P. B. Donuata, and E. Prasetyo, “The Dissemination and Provision of Interfaith COVID-19 Vaccinations in Sikka Regency: Sosialisasi dan Pemberian Vaksinasi COVID-19 Lintas Agama di Kabupaten Sikka”, j. mattawang, vol. 3, no. 1, pp. 111–115, Feb. 2022.