Baxto, Welinton, Rosana Amaro, and Joao Mattar. “Distance Education and the Open University of Brazil: History, Structure, and Challenges”. The International Review of Research in Open and Distributed Learning 20, no. 4 (July 23, 2019). Accessed November 27, 2024. https://www.irrodl.org/index.php/irrodl/article/view/4132.