CLARITY VALLEY ANNA PROSZOWSKA-SALA

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

70.21.Z - Public relations and communication activities

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

73.11.Z - Advertising agencies activities

73.12.A - Intermediation in the sale of time and place on advertising aims in the radio and television

73.12.B - Intermediation in the sale of the place on advertising aims in printed media

73.12.C - Intermediation in the sale of the place on advertising aims in electronic media (Internet)

73.12.D - Intermediation in the sale of the place on advertising aims in other media

73.20.Z - Market research and public opinion polling

82.30.Z - Organisation of conventions and trade shows