TIERNEY, Patrick. A qualitative analysis framework using natural language processing and graph theory. The International Review of Research in Open and Distributed Learning, [S. l.], v. 13, n. 5, p. 173–189, 2012. DOI: 10.19173/irrodl.v13i5.1240. Disponível em: https://www.irrodl.org/index.php/irrodl/article/view/1240. Acesso em: 19 apr. 2024.