Rekson Silaban Badikenita. Expansion of BPJS Ketenagakerjaan BPU Membership through Marketing Mix Strategy and Regulation. jamsostek [Internet]. 2023 Aug. 7 [cited 2024 Sep. 29];1(1):87-104. Available from: https://jurnalbpjamsostek.or.id/index.php/bpjamsostek/article/view/9