MEDINA, R.; SUTHERS, D. USING A CONTINGENCY GRAPH TO DISCOVER REPRESENTATIONAL PRACTICES IN AN ONLINE COLLABORATIVE ENVIRONMENT. Research and Practice in Technology Enhanced Learning, [S. l.], v. 4, n. 3, p. 281–305, 2009. DOI: 10.58459/rptel.2009.4281-305. Disponível em: https://rptel.apsce.net/index.php/RPTEL/article/view/2009-04011. Acesso em: 9 aug. 2025.