PRUSIŃSKI, T. From research on friendship. Social competencies and the quality of friendship relations. Studia Psychologica: Theoria et praxis, [S. l.], v. 17, n. 1, p. 23–46, 2017. DOI: 10.21697/sp.2017.17.1.02. Disponível em: https://czasopisma.uksw.edu.pl/index.php/sp/article/view/2206. Acesso em: 2 may. 2024.