Istiqamah NF, Darmawansyah D, Syafar M, Mallongi A. Implementation of the National Health Insurance Referral System at the Public Health Center in the Pangkajene Kepulauan District in 2019. Open Access Maced J Med Sci [Internet]. 2020 Aug. 30 [cited 2024 Apr. 18];8(T2):27-31. Available from: https://oamjms.eu/index.php/mjms/article/view/5178