Tropem szczęścia Anna Matusiak

86.90.E - Other human health activities notelsewhere classified

58.19.Z - Other publishing activities

58.29.Z - Other software publishing

62.09.Z - Other information technology and computer service activities

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

85.20.Z - Primary education

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

85.60.Z - Educational support activities