MORAVECZ, Marianna, and Ágoston NAGY. “STUDY SUCCES AS A FUNCTION OF OUT-OF-SCHOOL SPORTS ACTIVITIES: (Based on OKM 2016 Database)”. Studia Universitatis Babeș-Bolyai Educatio Artis Gymnasticae, vol. 64, no. 2, June 2019, pp. 5-16, doi:10.24193/subbeag.64(2).10.