Ulfa D, Sari D, Kurniawati J. Validasi Skor Skrining COVID-19 RSUP Dr. Sardjito Yogyakarta. jka [Internet]. 2023May28 [cited 2024Sep.30];9(3):21-8. Available from: https://dev.journal.ugm.ac.id/v3/jka/article/view/8336