ACHE, Peter. Planning education in Europe — situation and perspectives. Raumforschung und Raumordnung | Spatial Research and Planning, DE, v. 66, n. 6, p. 508–518, 2008. DOI: 10.1007/BF03183151. Disponível em: https://rur.oekom.de/index.php/rur/article/view/1221.. Acesso em: 6 may. 2024.