LUDWIG-HARDMAN, Stacey; DUNLAP, Joanna C. Learner Support Services for Online Students: Scaffolding for success. The International Review of Research in Open and Distributed Learning, [S. l.], v. 4, n. 1, 2003. DOI: 10.19173/irrodl.v4i1.131. Disponível em: https://www.irrodl.org/index.php/irrodl/article/view/131. Acesso em: 29 mar. 2024.