National Health Insurance: An Implementation Framework of Nizam Al Mulk’s Thoughts. International Journal of Islamic Business and Economics (IJIBEC), [S. l.], v. 8, n. 1, p. 1–14, 2024. DOI: 10.28918/ijibec.v8i1.2310. Disponível em: https://e-journal.uingusdur.ac.id/Ijibec/article/view/2310. Acesso em: 19 jul. 2026.