Istiqamah, N. F., Darmawansyah, D., Syafar, M., & Mallongi, A. (2020). Implementation of the National Health Insurance Referral System at the Public Health Center in the Pangkajene Kepulauan District in 2019. Open Access Macedonian Journal of Medical Sciences, 8(T2), 27–31. https://doi.org/10.3889/oamjms.2020.5178