Janusz Rączkiewicz

85.69.Z - Educational support activities, not classified elsewhere

85.31.Z - General secondary schools

85.51.Z - Non-school forms of sports education and recreational and sports activities

85.52.Z - Non-school forms of artistic education

85.59.A - Foreign language education

85.59.B - Courses and training for acquiring knowledge, skills, and professional qualifications in non-school forms

85.59.D - Other non-school forms of education, not classified elsewhere