od A do Z Aleksandra Zakrzewska

85.59.A - Teaching of foreign languages

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

74.30.Z - Translation and interpretation activities

74.90.Z - Other professional, scientific and technical activities not elsewhere classified

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

86.90.E - Other human health activities notelsewhere classified

88.99.Z - Other social work activities without accommodation notelsewhere classified