Katarzyna Mietz-Lustyk Finanse, Rachunkowość, Ekonomia

69.20.Z - Accounting, bookkeeping and auditing activities; tax consultancy

70.22.Z - Business and other management consultancy activities

72.20.Z - Research and experimental development on social sciences and humanities

85.59.B - Other out-of-school forms of education, not elsewhere classified

85.60.Z - Educational support activities