HOARE, A. G. Spheres of influence and regional policy: The case of Northern Ireland. Irish Geography, [S. l.], v. 9, n. 1, p. 89–99, 2016. DOI: 10.55650/igj.1976.869. Disponível em: https://irishgeography.ie/index.php/irishgeography/article/view/869. Acesso em: 6 may. 2026.