Liwaul, Liwaul, Hasto Joko Nur Utomo, Sutiyana Fachruddin, Renil Septiano, and Laynita Sari. “Marketing Model of EMC Hospital During COVID-19 Pandemic”. Jurnal Komunikasi Profesional 6, no. 6 (January 30, 2023): 541 - 556. Accessed April 20, 2025. https://ejournal.unitomo.ac.id/index.php/jkp/article/view/5873.