94.12.Z - Activities of professional organisations
58.11.Z - Book publishing
58.14.Z - Publishing of journals and periodicals
72.19.Z - Other research and experimental development on natural sciences and engineering
82.30.Z - Organisation of conventions and trade shows
85.59.B - Other out-of-school forms of education, not elsewhere classified
Opinie dotyczące usług, produktów oraz działalności firmy nie są weryfikowane