The Impact of the Digital Economy on Regional Economic Growth: Evidence of North–South Heterogeneity. Journal of Expert Systems and Sustainable Development, [S. l.], v. 2, n. 1, p. 68–87, 2026. DOI: 10.65069/jessd21202612. Disponível em: https://essd-journal.org/index.php/essd/article/view/12. Acesso em: 11 jul. 2026.