CHEN, Xieling; CHEN, Huimei; ZOU, Di; XIE, Haoran; WANG, Fu Lee. Exploring Cognitive Presence in Online Collaborative Knowledge-Building: Structural, Temporal, and Social Perspectives. The International Review of Research in Open and Distributed Learning, [S. l.], v. 27, n. 1, p. 18–47, 2026. DOI: 10.19173/irrodl.v27i1.8931. Disponível em: https://www.irrodl.org/index.php/irrodl/article/view/8931. Acesso em: 4 apr. 2026.