NWAERONDU, Ndubuisi Goodluck; THOMPSON, Gordon. The Use of Educational Radio in Developing Countries: Lessons from the Past. International Journal of E-Learning & Distance Education / Revue internationale du e-learning et la formation à distance, [S. l.], v. 2, n. 2, p. 43–54, 1987. Disponível em: https://ijede.ca/index.php/jde/article/view/315. Acesso em: 28 apr. 2024.