IMPEY, Chris D.; WENGER, Matthew C.; AUSTIN, Carmen L. Astronomy for astronomical numbers: A worldwide massive open online class. The International Review of Research in Open and Distributed Learning, [S. l.], v. 16, n. 1, 2015. DOI: 10.19173/irrodl.v16i1.1983. Disponível em: https://www.irrodl.org/index.php/irrodl/article/view/1983. Acesso em: 19 jul. 2024.