Wilde, R., Bentall, C., Blum, N., & Bourn, D. (2017). Student Volunteering and Global Citizenship at UCL (Development Education Research Centre Discussion Paper). London: Development Education Research Centre, University College London.
Bourn, D., Hunt, F., Blum, N., & Lawson, H. (2016). Primary education for global learning and sustainability ((Cambridge Primary Review Trust Research Reports).). York: Cambridge Primary Review Trust. doi:10.13140/RG.2.2.29812.91527