Hodgson, A; Spours, K; (2016) Restrictive and expansive policy learning – challenges and strategies for knowledge exchange in upper secondary education across the four countries of the UK. Journal of Education Policy , 31 (5) pp. 511-525. 10.1080/02680939.2015.1132012 <https://doi.org/10.1080/02680939.2015.1132012>. Green open access