NAIDYCH, Marina A. Volunteering as a Vector of EU Youth Policy. Historia i Polityka, [S. l.], n. 14 (21), p. 91–100, 2015. DOI: 10.12775/HiP.2015.023. Disponível em: https://apcz.umk.pl/HiP/article/view/HiP.2015.023. Acesso em: 8 lip. 2025.