FATHURRAHMAN, Ajri; ISNAINI, Muhammad. Strategi Pemasaran Rumah Sakit UMMI dalam Meningkatkan Pendapatan pada Masa Pandemi Covid-19. CARAKA : Indonesia Journal of Communication, Indonesia, v. 2, n. 2, p. 65–73, 2021. DOI: 10.25008/caraka.v2i2.61. Disponível em: https://mail.caraka.web.id/index.php/caraka/article/view/61. Acesso em: 8 sep. 2026.