afif, Yuflih, and Arif Luqman Hakim. “Peranan Serikat Pekerja Terhadap Pelaksanaan Regulasi Badan Penyelenggara Jaminan Sosial (BPJS) Kesehatan Di Pabrik Gula Kebon Agung”. Journal of Islamic Economics Development and Innovation (JIEDI) 1, no. 1 (September 10, 2021): 48–57. Accessed November 25, 2024. https://ejournal.umm.ac.id/index.php/ijiedi/article/view/19204.