STOJANOWSKA, Elżbieta. Optimism in important spheres of life among young women and men. Studia Psychologica: Theoria et praxis, [S. l.], n. 4, p. 5–19, 2003. Disponível em: https://czasopisma.uksw.edu.pl/index.php/sp/article/view/2357. Acesso em: 6 dec. 2025.