ANNISA, Arna Asna. Kopontren dan Ekosistem Halal Value Chain. Jurnal Ilmiah Ekonomi Islam, [S. l.], v. 5, n. 01, p. 1–8, 2019. DOI: 10.29040/jiei.v5i01.398. Disponível em: https://www.jurnal.stie-aas.ac.id/index.php/jei/article/view/398. Acesso em: 10 aug. 2025.