WANG, Ying; JIANG, Weifeng. An Automatic Classification and Clustering Algorithm for Online Learning Goals Based on Cognitive Thinking. International Journal of Emerging Technologies in Learning (iJET), [S. l.], v. 13, n. 11, p. pp. 54–66, 2018. DOI: 10.3991/ijet.v13i11.9587. Disponível em: https://online-journals.org/index.php/i-jet/article/view/9587. Acesso em: 28 apr. 2024.