PEKEL, A.; ÇIMEN, K. Relationship between “self-efficiency“ competence levels and constant sportive self-respect levels of football players (Sample of Istanbul European Side). Physical Education of Students, [S. l.], v. 21, n. 5, p. 200–204, 2017. DOI: 10.15561/20755279.2017.0501. Disponível em: https://sportedu.org.ua/index.php/PES/article/view/480. Acesso em: 3 aug. 2026.