ZHANG, Ye. A Classification and Retrieval System for Learning Resources of MOOC. International Journal of Emerging Technologies in Learning (iJET), [S. l.], v. 18, n. 22, p. pp. 73–87, 2023. DOI: 10.3991/ijet.v18i22.44693. Disponível em: https://online-journals.org/index.php/i-jet/article/view/44693. Acesso em: 17 aug. 2024.