TAMPUBOLON, Dahlan. A Analysis of Regional Competitiveness in the Context of Socio-Economics and Infrastructure. International Journal of Multidisciplinary: Applied Business and Education Research, Malang, Indonesia, v. 3, n. 1, p. 125–138, 2022. DOI: 10.11594/ijmaber.03.01.15. Disponível em: https://ijmaberjournal.org/index.php/ijmaber/article/view/212. Acesso em: 10 feb. 2026.