Olga Janus-Niepiekło

82.10.Z - Office administrative support activities, including related services

82.99.B - Other business support activities, not elsewhere classified

85.31.Z - General secondary schools

85.33.A - Post-secondary schools

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

85.69.Z - Educational support activities, not classified elsewhere