UPAYA PENANGANAN GANGGUAN AKTIVITAS PADA PENDERITA GAGAL JANTUNG SELAMA MASA PANDEMI COVID-19. Jurnal Perawat Indonesia, [S. l.], v. 4, n. 3, p. 482–489, 2020. DOI: 10.32584/jpi.v4i3.766. Disponível em: https://journal.ppnijateng.org/jpi/article/view/766. Acesso em: 4 feb. 2026.