1. (2002). Transition, The First Ten Years: Analysis and Lessons for Eastern Europe and the Former Soviet Union, World Bank. Available online: https://openknowledge.worldbank.org/handle/10986/14042.
2. Kołodko, G.W., and Nuti, M.D. (1997). The Polish Alternative. Old Myths, Hard Facts and New Strategies in the Successful Transformation of the Polish Economy, Wider.
3. Szpor, A., and Ziółkowska, K. (2018). The Transformation of the Polish Coal Sector, GSI Report, The International Institute for Sustainable Development. Available online: https://www.iisd.org/system/files/publications/transformation-polish-coal-sector.pdf.
4. Are EU’s Climate and Energy Package 20-20-20 targets achievable and compatible? Evidence from the impact of renewables on electricity prices;Energy,2019
5. Kryk, B., and Guzowska, M. (2021). Implementation of Climate/Energy Targets of the Europe 2020 Strategy by the EU Member States. Energies, 14.