] . (2019). Can MOOCs empower people to critically think about climate change? A learning outcome based comparison of two MOOCs. Journal of Cleaner Production, 222. Abgerufen von https://doi.org/10.1016/j.jclepro.2019.02.190
. (2019). Digital Learning and Sustainable Development. In , Encyclopedia of Sustainability in Higher Education (S. 1 - 10). Cham: Springer International Publishing. Abgerufen von https://doi.org/10.1007/978-3-319-63951-2
. (2018). E-Learning and Sustainable Development. In , Encyclopedia of Sustainability in Higher Education (S. 1 - 8). Cham: Springer International Publishing. Abgerufen von https://doi.org/10.1007/978-3-319-63951-2