Search for: [Subject and Keywords = socio\-economic sciences] OR [Subject and Keywords = medical sciences] OR [Subject and Keywords = natural sciences] OR [Subject and Keywords = engineering sciences] OR [Subject and Keywords = nauki społeczno\-ekonomiczne] OR [Subject and Keywords = nauki medyczne] OR [Subject and Keywords = nauki przyrodnicze] OR [Subject and Keywords = nauki inżynieryjne] OR [Title = Prace naukowe młodych badaczy \: TYGIEL] OR [Creator = Szala, Mirosław]