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The state of play in Poland's unconventional shale and oil development
Burnett, Wesley, (2015)
Incentives to promote the development of renewable energy in Poland
Ptak, Michał, (2014)
Review of the Polish integrated National Energy and Climate draft Plan 2021-2030
Pluta, Marcin, (2019)
Finansowe czynniki skuteczności gospodarczej
Kaczmarek, Robert, (1991)
Czy nowy Plan Marshalla jest możliwy?
Kaczmarek, Robert, (1992)