Manurung, Charles, Yolanda Eliza Putri Lubis, and Karmila Kaban. “Analysis Of Consumer Perceived Value To Quality Service Healthcare During The COVID-19 Pandemic At Tanjung Balai City Hospital”. International Journal of Health and Pharmaceutical (IJHP) 3, no. 4 (May 9, 2023): 683–691. Accessed February 23, 2025. https://ijhp.net/index.php/IJHP/article/view/236.