AHONEN, A. K. .; HARDING, S.-M. . Assessing Online Collaborative Problem Solving Among School Children in Finland: A Case Study Using ATC21STM in a National Context. International Journal of Learning, Teaching and Educational Research, [S. l.], v. 17, n. 2, p. 138–158, 2018. Disponível em: https://ijlter.myres.net/index.php/ijlter/article/view/703. Acesso em: 19 jun. 2026.