AGATA WALCZAK

63.12.Z - Services related to computing infrastructure, data processing, website management (hosting), and other information services

58.11.Z - Publishing of books

58.12.Z - Publishing of newspapers

58.13.Z - Publishing of journals and periodicals

58.14.Z - Publishing activities

58.19.Z - Other publishing activities, excluding software publishing

63.99.Z - Services related to computing infrastructure, data processing, website management (hosting), and other information services

72.20.Z - Scientific research and development in social sciences and humanities

74.30.Z - Translation and interpretation 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