Darmasurya A, Anindita R, Ikhda MC. Did The Horizontal Referral Policy in Indonesia Create Cost Savings?. jjkn [Internet]. 2021 Jul. 17 [cited 2024 Nov. 15];1(1):15-32. Available from: https://jurnal-jkn.bpjs-kesehatan.go.id/ojs-new/index.php/jjkn/article/view/14