BARŁÓG, Mateusz. The theory of positive youth development – Polish adaptation of the PYD-SF and PYD-VSF questionnaires. Quarterly Journal Fides et Ratio, [S. l.], v. 53, n. 1, p. 77–84, 2023. DOI: 10.34766/fetr.v53i1.1146. Disponível em: https://fidesetratio.com.pl/ojs/index.php/FetR/article/view/1146. Acesso em: 12 aug. 2025.