SOMMER, Christoph. Planning problems as epistemic problems. Notes on the debate about multiple truths in planning. Raumforschung und Raumordnung | Spatial Research and Planning, DE, v. 82, n. 3, p. 195–198, 2024. DOI: 10.14512/rur.2562. Disponível em: https://rur.oekom.de/index.php/rur/article/view/2562. Acesso em: 11 sep. 2026.