Galt, R. E., Clark, S. F. and Parr, D. (2012) “Engaging Values in Sustainable Agriculture and Food Systems Education: : Toward an Explicitly Values-Based Pedagogical Approach”, Journal of Agriculture, Food Systems, and Community Development. Ithaca, NY, USA, 2(3), pp. 43–54. doi: 10.5304/jafscd.2012.023.006.