Nur Hayati, Puspitarani F, Nugroho ASD, Indriani C. COVID-19 cluster investigation after choir recording at Church X Bantul Regency in 2021. BKM-PHCM [Internet]. 2021Nov.5 [cited 2024Apr.27];37(11 Suppl.). Available from: https://journal.ugm.ac.id/v3/BKM/article/view/3154