Suwanti, Iis, Aris Hartono, and Ns Darsini. “PERSEPSI MASYARAKAT TENTANG COVID-19 ; VALIDITAS DAN RELIABILITAS KUESIONER PENELITIAN”. Jurnal Keperawatan 14, no. 2 (July 31, 2021): 9. Accessed May 3, 2026. https://e-journal.lppmdianhusada.ac.id/index.php/jk/article/view/136.