Fürst, Christine, et al. “The Concept of Ecosystem Services in Environmental Education. Exemplary Approaches at Schools, Universities and in the Further Education Scene for Planners”. 2021. Raumforschung Und Raumordnung | Spatial Research and Planning, vol. 80, no. 1, Feb. 2022, pp. 97-111, https://doi.org/10.14512/rur.73.