Astbury, B., and Leeuw, F.L (2010). Unpacking black boxes: Mechanisms and theory-building in evaluation. American Journal of Evaluation, 31(3), 363-381.

Palmer, J., Gunn, J., Kokanovic, R., Griffiths, F., Shrimpton, B., & Hurworth, R. (2010). Diverse voices, simple desires: a conceptual design for primary care to respond to depression and related disorders, Family Practice, 27(4).