LI, Yong. Evaluation of Learning Efficiency of Massive Open Online Courses Learners. International Journal of Emerging Technologies in Learning (iJET), [S. l.], v. 17, n. 17, p. pp. 50–61, 2022. DOI: 10.3991/ijet.v17i17.33849. Disponível em: https://online-journals.org/index.php/i-jet/article/view/33849. Acesso em: 5 may. 2024.