DROPSTONE Martyna Tomczyk

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

62.09.Z - Other information technology and computer service activities

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

79.90.A - Couriers on package tours and tour guides activities

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

90.03.Z - Artistic creation activities