SISMITA, N. .; SURYADI, N. .; HARAHAP, R. S. P. . Kontribusi Sektor Halal terhadap Produk Domestik Bruto (PDB) Negara-Negara Muslim. Indonesian Research Journal on Education, [S. l.], v. 6, n. 1, p. 279 –, 2026. DOI: 10.31004/irje.v6i1.3655. Disponível em: https://irje.org/irje/article/view/3655. Acesso em: 4 nov. 2026.