D’Errico, Francesca, Marinella Paciello, and Luca Cerniglia. “When Emotions Enhance students’ Engagement in E-Learning Processes”. Journal of e-Learning and Knowledge Society 12, no. 4 (September 27, 2016). Accessed October 17, 2021. https://www.je-lks.org/ojs/index.php/Je-LKS_EN/article/view/1144.