Berliana Oktavia Setyawati, and Ernawaty. “Digital Marketing Strategies in Healthcare Services: Literature Review”. International Journal of Health Science and Technology 6, no. 2 (November 30, 2024): 89–99. Accessed July 9, 2025. https://ejournal.unisayogya.ac.id/index.php/ijhst/article/view/3690.