cahyani nurwanto, primanti deva. “PENGARUH PENGETAHUAN DAN KEBIASAAN LANSIA TERHADAP PERILAKU PENCEGAHAN PENYAKIT COVID-19”. Jurnal Penelitian Keperawatan Kontemporer 1, no. 2 (July 28, 2021): 83–89. Accessed February 5, 2025. https://jurnal.ikbis.ac.id/index.php/JPKK/article/view/270.