Yustika Wirda Ningsih, Azizah Nasution, and Urip Harahap. “Patient Satisfaction on Covid-19 Handling in Primary Health Centers”. Indonesian Journal of Pharmaceutical and Clinical Research 5, no. 1 (April 30, 2022): 10–15. Accessed August 18, 2025. https://idjpcr.usu.ac.id/idjpcr/article/view/7416.