QI, Aili; WANG, Yunsong; SHEN, Chengchun. Application of Courseware Based on Information Retrieval Technology. International Journal of Emerging Technologies in Learning (iJET), [S. l.], v. 11, n. 03, p. pp. 32–36, 2016. DOI: 10.3991/ijet.v11i03.5346. Disponível em: https://online-journals.org/index.php/i-jet/article/view/5346. Acesso em: 3 may. 2024.