SITIROMA HARAHAP. Kontribusi Ekonomi Digital terhadap Pengembangan UMKM. OPTIMAL Jurnal Ekonomi dan Manajemen, [S. l.], v. 6, n. 1, p. Hal 265–271, 2025. DOI: 10.55606/optimal.v6i1.9330. Disponível em: https://researchhub.id/index.php/optimal/article/view/9330. Acesso em: 25 jan. 2026.