1. The Modernization Potential of Gas Turbines in the Coal-Fired Power Industry. Thermal and Economic Effectiveness;Bartnik,2013
2. R. Bartnik, Gas-steam power plants and combined heat and power plants. Energy and economic efficiency (in Polish: Elektrownie i elektrociepłownie gazowo-parowe. Efektywność energetyczna i ekonomiczna), WNT, Warszawa 2009 (reprint 2012, 2017).
3. R. Bartnik, B. Bartnik, Economic calculation in the energy sector (in Polish: Rachunek ekonomiczny w energetyce), WNT, Warszawa, 2014.
4. Ekonomika energetyki w modelach matematycznych z czasem ciągłym;Bartnik,2017
5. Optimum Investment Strategy in the Power Industry. Mathematical Models;Bartnik,2016