Youth Work Education: Is the Voluntary Principle no Longer Reliable in Defining Youth Work?. Concept: The Journal of Contemporary Community Education Practice Theory, [S. l.], v. 10, n. 1, p. 12, 2019. Disponível em: https://concept.lib.ed.ac.uk/Concept/article/view/2998. Acesso em: 22 jun. 2025.