YAN, Yuting; CHEN, Hui. Developments and Emerging Trends of Blended Learning: A Document Co-citation Analysis (2003–2020). International Journal of Emerging Technologies in Learning (iJET), [S. l.], v. 16, n. 24, p. pp. 149–164, 2021. DOI: 10.3991/ijet.v16i24.25971. Disponível em: https://online-journals.org/index.php/i-jet/article/view/25971. Acesso em: 4 may. 2024.