European Commission : Directorate-General for Economic and Financial Affairs., Arpaia, A., Roeger, W., Varga, J., Veld, J. i. 1., Grilo, I., & Wobst, P. (2007). Quantitative Assessment of structural reforms: Modeling the lisbon strategy. Brussels- Belgium: European Comission: Directorate-General for Economic and Financial Affairs.

European Commission : Directorate-General for Economic and Financial Affairs., Alfonso Arpaia, Werner Roeger, Janos Varga, Jan in't 1962- Veld, Isabel Grilo, and Peter Wobst. Quantitative Assessment of Structural Reforms: Modeling the Lisbon Strategy. Brussels- Belgium: European Comission: Directorate-General for Economic and Financial Affairs, 2007.

European Commission : Directorate-General for Economic and Financial Affairs., et al. Quantitative Assessment of Structural Reforms: Modeling the Lisbon Strategy. Brussels- Belgium: European Comission: Directorate-General for Economic and Financial Affairs, 2007.