94.99.Z - Activities of other membership organisations not elsewhere classified
47.61.Z - Retail sale of books in specialised stores
47.91.Z - Retail sale via mail order houses or via Internet
58.11.Z - Book publishing
58.14.Z - Publishing of journals and periodicals
58.19.Z - Other publishing activities
72.20.Z - Research and experimental development on social sciences and humanities
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
82.30.Z - Organisation of conventions and trade shows
85.60.Z - Educational support activities
Opinie dotyczące usług, produktów oraz działalności firmy nie są weryfikowane