Choi, Chi Hyun, John Tampil Purba, Niko Sudibjo, and Rudy Pramono. “DAMPAK PANDEMI COVID-19 TERHADAP MANAJEMEN SEKOLAH MINGGU KOREA DI INDONESIA UNTUK PENGINTEGRASIAN PEMBELAJARAN IMAN [THE IMPACT OF THE COVID-19 PANDEMIC ON THE MANAGEMENT OF FAITH-LEARNING INTEGRATION OF KOREAN SUNDAY SCHOOL IN INDONESIA]”. JOHME: Journal of Holistic Mathematics Education 5, no. 1 (June 29, 2021): 61–85. Accessed March 14, 2025. https://ojs.uph.edu/index.php/JOHME/article/view/2794.