CHESHIRE, P. . Identifying Principles for Spatial Policy: Levels of intervention. RPER, [S. l.], n. 13, p. 55–65, 2006. DOI: 10.59072/rper.vi13.224. Disponível em: https://www.review-rper.com/index.php/rper/article/view/224. Acesso em: 10 jun. 2026.