LI, Haiyun; ZHANG, Xuebo; WANG, Junhui. Discovery and Recommendation of First-Hand Learning Resources Based on Public Opinion Cluster Analysis. International Journal of Emerging Technologies in Learning (iJET), [S. l.], v. 12, n. 12, p. pp. 112–118, 2017. DOI: 10.3991/ijet.v12i12.7965. Disponível em: https://online-journals.org/index.php/i-jet/article/view/7965. Acesso em: 2 may. 2024.