CIECIUCH, Jan; HULAK, Agata; KITAJ, Mariola; LESZCZYŃSKA, Justyna; BULKOWSKA, Dorota. Circular structure of values in preschool children. Studia Psychologica: Theoria et praxis, [S. l.], v. 11, n. 2, p. 5–18, 2011. Disponível em: https://czasopisma.uksw.edu.pl/sp/article/view/2755. Acesso em: 19 may. 2026.