USHER, R. Riding the lines of flight. European Journal for Research on the Education and Learning of Adults, [S. l.], v. 1, n. 1-2, p. 67–78, 2010. DOI: 10.3384/rela.2000-7426.rela0011. Disponível em: https://rela.ep.liu.se/article/view/3747. Acesso em: 29 apr. 2024.