TRISULA. Regulatory Challenges and Competitiveness of Blitar UMKM: Acceleration of Halal Certification for Economic Growth. JURNAL ILMIAH GEMA PERENCANA, [S. l.], v. 4, n. 2, p. 1285–1304, 2025. DOI: 10.61860/jigp.v4i2.279. Disponível em: https://gemaperencana.id/index.php/JIGP/article/view/279. Acesso em: 3 nov. 2025.