85.59.B - Courses and training related to acquiring knowledge, skills, and professional qualifications in non-school forms
47.61.Z - Retail sale of books
47.91.Z - Intermediation service activities for non-specialised retail sale
47.99.Z - Other retail sale not in stores, stalls or markets
58.14.Z - Publishing of journals and periodicals
72.19.Z - Other research and experimental development on natural sciences and engineering
72.20.Z - Research and experimental development on social sciences and humanities
82.30.Z - Organisation of conventions and trade shows
86.90.E - Other human health activities not elsewhere classified
88.99.Z - Other social work activities without accommodation n.e.c.