ZHU, Lei. GAT-CL: A Graph Attention and Contrastive Learning Framework for Multimodal Behavior Modeling in Intelligent Education Systems. Informatica, [S. l.], v. 49, n. 36, 2025. DOI: 10.31449/inf.v49i36.10625. Disponível em: https://www.informatica.si/index.php/informatica/article/view/10625. Acesso em: 8 jan. 2026.