Knieling J, Kretschmann N, Nell R, Pfau-Weller N. Knowledge production and learning effects using the example of living labs in Halle (Saale) and Mannheim. RuR [Internet]. 2021 Aug. 31 [cited 2024 May 2];79(4):438-52. Available from: https://rur.oekom.de/index.php/rur/article/view/30