MIMMA MARIPATUL UULA; AAM SLAMET RUSYDIANA; SITI MAYSYAROH, S. M. Fiqh Contracts for BPJS Ketenagakerjaan Syariah: A Conceptual Approach to Wakalah bil Ujrah, Wakalah bil Istithmar, and Tabarru’. Jurnal Jamsostek, [S. l.], v. 3, n. 2, p. 133–151, 2025. DOI: 10.61626/jamsostek.v3i2.75. Disponível em: https://jurnalbpjamsostek.or.id/index.php/bpjamsostek/article/view/75. Acesso em: 10 jan. 2026.