1. vs nich je ta prava metoda mereni Allied Reliability Group;Gehlof,2016
2. Instrumental Variables and the Search for Identification : From supply and Demand to Natural Experiments The of http dx doi org;Angrist;Journal Economic Perspectives,2001
3. Counterfactuals causal inference principles for social University;Morgan;methods research,2010
4. What are counterfactual impact evaluations teaching us about enterprise and innovation support;Mouque;European,2012
5. Handbook on Impact Evaluation Quantitative Practices;Khandker;Methods World Bank,2010