Liwaul L, Utomo HJN, Fachruddin S, Septiano R, Sari L. Marketing Model of EMC Hospital during COVID-19 Pandemic. JKP [Internet]. 2023 Jan. 30 [cited 2026 Jun. 20];6(6):541-56. Available from: https://ejournal.unitomo.ac.id/index.php/jkp/article/view/5873