Purba, Tria, and Nurhayati Siagian. “Kelelahan Kerja Berhubungan Dengan Kinerja Perawat Di Ruang Isolasi Covid 19”. Jurnal Penelitian Perawat Profesional 3, no. 2 (May 31, 2021): 319-326. Accessed October 25, 2026. http://jurnal.globalhealthsciencegroup.com/index.php/JPPP/article/view/428.