ATKINSON, Simon Paul. Definitions of the Terms Open, Distance, and Flexible in the Context of Formal and Non-Formal Learning. Journal of Open, Flexible and Distance Learning, [S. l.], v. 26, n. 2, p. 18–28, 2023. DOI: 10.61468/jofdl.v26i2.521. Disponível em: https://jofdl.nz/index.php/JOFDL/article/view/521. Acesso em: 4 dec. 2024.