1. Arensman, B., Van Waegeningh, C., & Van Wessel, M. (2018). Twinning “Practices of Change” with “Theory of Change”: Room for Emergence in Advocacy Evaluation. The American Journal of Evaluation, 39(2), 221–236.
2. Burdge, R., & Johnson, S. (1998). Social Impact Assessment: Developing the Basic Model. In R. Burdge (Ed.), A Conceptual Approach to Social Impact Assessment (pp. 13–29). Social Ecology Press.
3. Burdge, R., & Vanclay, F. (1996). Social Impact Assessment: A Contribution to the State of the Art Series. Impact Assessment, 14, 59–86.
4. Carman, J. G. (2010). The Accountability Movement. Nonprofit and Voluntary Sector Quarterly, 39(2), 256–274.
5. Clifford, J., Hehenberger, L., & Fantini, M. (2014). Proposed Approaches to Social Impact Measurement in European Commission Legislation and in Practice Relating to: EuSEFs and the EaSI. European Commission Report 140605 (June 2014). Available online at http://ec.europa.eu/social/main.jsp?catId=738&langId=en&pubId=7735&type=2&furtherPubs=yes