94.99.Z - Activities of other membership organizations, not elsewhere classified
58.11.Z - Publishing of books
58.19.Z - Other publishing activities, excluding software publishing
72.19.Z - Scientific research and development activities
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
Opinie dotyczące usług, produktów oraz działalności firmy nie są weryfikowane