MEIJERS, E.; WATERHOUT, B.; ZONNEVELD, W. Closing the Gap: Territorial Cohesion through Polycentric Development. European Journal of Spatial Development, [S. l.], v. 5, n. 2, p. 24, 2007. Disponível em: http://www.oimplantology.org/index.php/EJSD/article/view/179. Acesso em: 6 may. 2025.