58.11.Z - Book publishing
47.61.Z - Retail sale of books in specialised stores
47.91.Z - Retail sale via mail order houses or via Internet
68.20.Z - Rental and operating of own or leased real estate
72.20.Z - Research and experimental development on social sciences and humanities
73.1 - Advertising
77.40.Z - Leasing of intellectual property and similar products, except copyrighted works
85.59.B - Other out-of-school forms of education, not elsewhere classified
85.60.Z - Educational support activities
Opinie dotyczące usług, produktów oraz działalności firmy nie są weryfikowane