AKMAL. Research on Halal Certification in Indonesia. Journal of Islamic Economics Literatures, [S. l.], v. 2, n. 2, 2021. DOI: 10.58968/jiel.v2i2.57. Disponível em: https://journals.smartinsight.id/index.php/JIEL/article/view/57. Acesso em: 16 apr. 2026.