Fischer, D, Aubrecht, E L, Brück, M, Ditges, L, Gathen, L, Jahns, M, Petersmann, M, Rau, J & Wellmann, C 2015, ' UN Global Action Programme and Education for Sustainable Development: A Critical Appraisal of the Evidence Base ' Discourse and Communication for Sustainable Education, vol 6, no. 1, 1, pp. 5-20 . DOI: 10.1515/dcse-2015-0001 Discourse and Communication for Sustainable Education, Vol 6, Iss 1, Pp 5-20 (2015) Fischer, D, Aubrecht, E L, Brück, M, Ditges, L, Gathen, L, Jahns, M, Petersmann, M, Rau, J & Wellmann, C 2015, ' UN Global Action Programme and Education for Sustainable Development: A Critical Appraisal of the Evidence Base ', Discourse and Communication for Sustainable Education, vol. 6, no. 1, 1, pp. 5-20 . https://doi.org/10.1515/dcse-2015-0001