Ulfa, D., D. Sari, and J. Kurniawati. “VALIDASI SKOR SKRINING COVID-19 RSUP DR. SARDJITO YOGYAKARTA”. Jurnal Komplikasi Anestesi, Vol. 9, no. 3, May 2023, pp. 21-28, doi:10.22146/jka.v9i3.8336.