On Engagement. LEARNing Landscapes, [S. l.], v. 1, n. 1, p. 31–34, 2007. DOI: 10.36510/learnland.v1i1.236. Disponível em: https://dev.learninglandscapes.ca/index.php/learnland/article/view/On-Engagement. Acesso em: 16 sep. 2025.