94.99.Z - Activities of other membership organizations, not elsewhere classified
47.61.Z - Retail sale of books
47.62.Z - Retail sale of newspapers, periodicals, and paper articles
58.11.Z - Publishing of books
58.14.Z - Publishing activities
69.10.Z - Legal activities
74.90.Z - Other professional, scientific and technical activities, not elsewhere classified
82.30.Z - Activities related to organizing fairs, exhibitions, and congresses
85.59.B - Courses and training for acquiring knowledge, skills, and professional qualifications in non-school forms
85.60.Z - Educational support activities
Opinie dotyczące usług, produktów oraz działalności firmy nie są weryfikowane