KRZYSZTOF HAJDER

55.20.Z - Holiday and other short-stay accommodation

47.91.Z - Retail sale via mail order houses or via Internet

55.90.Z - Other accommodation

68.20.Z - Rental and operating of own or leased real estate

70.21.Z - Public relations and communication activities

70.22.Z - Business and other management consultancy activities

72.20.Z - Research and experimental development on social sciences and humanities

73.20.Z - Market research and public opinion polling

85.59.B - Other out-of-school forms of education, not elsewhere classified

85.60.Z - Educational support activities