PENG, Xuhong. Exploration of Learning Service Discovery Algorithm based on Ontology. International Journal of Emerging Technologies in Learning (iJET), [S. l.], v. 13, n. 11, p. pp. 144–156, 2018. DOI: 10.3991/ijet.v13i11.9607. Disponível em: https://online-journals.org/index.php/i-jet/article/view/9607. Acesso em: 25 nov. 2024.