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Befani, Barbara; Ledermann, Simone; Sager, Fritz (2007). Realistic Evaluation and QCA: Conceptual Parallels and an Empirical Application. Evaluation - the international journal of theory, research and practice, 13(2), pp. 171-192. London: Sage Publications 10.1177/1356389007075222
Befani, Barbara; Sager, Fritz (2006). QCA as a Tool for Realistic Evaluations. The Case of the Swiss Environmental Impact Assessment. In: Rihoux, Benoit; Grimm, Heike (eds.) Innovative Comparative Methods for Policy Analysis: Beyond the Quantitative-Qualitative Divide (pp. 263-286). Heidelberg: Springer Verlag
