“Tingkat Kecemasan Pasien Kardiovaskuler Pada Masa Pandemi COVID-19”. Journal of Telenursing (JOTING) 3, no. 1 (June 29, 2021): 382–389. Accessed January 9, 2026. https://journal.ipm2kpe.or.id/index.php/JOTING/article/view/2167.