Sudjiati, E., and R. T. S. Hariyati. “Efektifitas Penggunaan Teknologi Early Warning Scoring Sytem (EWSS) Dalam Keperawatan”. JURNAL ONLINE KEPERAWATAN INDONESIA, vol. 2, no. 2, Dec. 2019, pp. 34-39, https://e-journal.sari-mutiara.ac.id/index.php/Keperawatan/article/view/892.