Ginting, Daniel, Ratri Kusuma Wijaya, and Roike Roudjer Kowal. “Virtual Class for Sunday School Teachers During the Covid-19 Pandemic”. Jurnal Pendidikan Agama Kristen (JUPAK) 2, no. 2 (June 1, 2022): 99-121. Accessed April 19, 2024. https://ejurnal.sttkadesiyogyakarta.ac.id/jupak/article/view/77.