MARCIN KRUSZYŃSKI

85.59.A - Teaching of foreign languages

47.61.Z - Retail sale of books in specialised stores

47.65.Z - Retail sale of games and toys in specialised stores

47.91.Z - Retail sale via mail order houses or via Internet

58.11.Z - Book publishing

63.12.Z - Web portals

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

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

85.52.Z - Out-of-school forms of cultural education

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

85.60.Z - Educational support activities

88.91.Z - Child day-care activities