Anna Cwojdzińska

86.90.E - Other human health activities notelsewhere classified

62.01.Z - Computer programming activities

62.02.Z - Computer consultancy activities

62.09.Z - Other information technology and computer service activities

72.19.Z - Other research and experimental development on natural sciences and engineering

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

85.51.Z - Out-of-school forms of sports and leisure education

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

85.60.Z - Educational support activities