Aji, Rachmadi Wisnu and , Beti Kristinawati, S.Kep., Ns. M.Kep., Sp., Kep., M.B (2022) Gambaran Kondisi Psikologis Penderita Gagal Jantung Selama Pandemi Covid-19. Skripsi thesis, Universitas Muhammadiyah Surakarta.