ARIF, Muhammad; ROKAN, Mustapa Khamal; KUMALA, Rahima. Quadruple Helix Model in the Development of Halal Micro Business in North Sumatra. Share: Jurnal Ekonomi dan Keuangan Islam, [S. l.], v. 12, n. 1, p. 201–224, 2023. DOI: 10.22373/share.v0i0.15628. Disponível em: https://jurnal.ar-raniry.ac.id/index.php/Share/article/view/15628. Acesso em: 28 oct. 2025.