LIU, Zhi-Qin; DOROZHKIN, Evgenij; DAVYDOVA, Nataliia; SADOVNIKOVA, Nadezhda. Retracted Article: Co-Learning as a New Model of Learning in a Digital Environment: Learning Effectiveness and Collaboration. International Journal of Emerging Technologies in Learning (iJET), [S. l.], v. 15, n. 13, p. pp. 34–48, 2020. DOI: 10.3991/ijet.v15i13.14667. Disponível em: https://online-journals.org/index.php/i-jet/article/view/14667. Acesso em: 3 may. 2024.