%0 Journal Article %T ¡®The harmony of social theory in evaluation¡¯ ¨C commentary on ¡®The art and science of non %A Joanne Greenhalgh %A Nick Emmel %J Journal of Health Services Research & Policy %@ 1758-1060 %D 2018 %R 10.1177/1355819618790991 %U https://journals.sagepub.com/doi/full/10.1177/1355819618790991