Ramadhani, Syamira Nurjannah. “Analysis of Factors Causing High Referral Rates at Primary Health Center in the JKN Era: A Literature Review”. Media Gizi Kesmas 9, no. 2 (November 28, 2020): 57–66. Accessed November 29, 2024. https://e-journal.unair.ac.id/MGK/article/view/21524.