HUTASUHUT, K. A.; SIAHAAN, L. M.; HUTASUHUT, J. . Economic Convergence Among Urban Areas In North Sumatera. Journal of Sustainable Economics, [S. l.], v. 3, n. 1, p. 27–41, 2025. DOI: 10.32734/jse.v3i1.20286. Disponível em: https://talenta.usu.ac.id/jse/article/view/20286. Acesso em: 23 aug. 2025.