LENTELL, Helen; O’ROURKE, Jennifer. Tutoring Large Numbers: An Unmet Challenge. The International Review of Research in Open and Distributed Learning, [S. l.], v. 5, n. 1, 2004. DOI: 10.19173/irrodl.v5i1.171. Disponível em: https://www.irrodl.org/index.php/irrodl/article/view/171. Acesso em: 29 jul. 2024.