MANNINEN, J. Robinson Crusoesta aktiiviseen aikuisopiskelijaan: Fifth international symposium on adult self-directed learning. Aikuiskasvatus, [S. l.], v. 11, n. 3, p. 175–177, 1991. DOI: 10.33336/aik.96752. Disponível em: https://journal.fi/aikuiskasvatus/article/view/96752. Acesso em: 27 marras. 2024.