Bell, Simon; Douce, Chris; Caeiro, Sandra; Teixeira, António M; Martin-Aranda, Rosa; Otto, Daniel. 2017. “Sustainability and distance learning: a diverse European experience?”. Open Learning 32, 2: 95 – 102. March 5, 2018 by cful https://doi.org/10.1080/02680513.2017.1319638