Psychologia Współczesna Igor Rotberg-Wieczorkiewicz

86.93.Z - Psychology and psychotherapy activities, excluding medical activities

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

90.11.Z - Literary activities and activities related to composing music

90.13.Z - Other creative activities