Chevallard, Yves, and Caroline Ladage. “E-Learning As a Touchstone for Didactic Theory, and Conversely”. Journal of e-Learning and Knowledge Society 4, no. 2 (November 16, 2009). Accessed November 23, 2024. https://je-lks.org/ojs/index.php/Je-LKS_EN/article/view/274.