Feidakis, Michalis, Thanasis Daradoumis, Santi Caballé, and Jordi Conesa. “Embedding Emotion Awareness into E-Learning Environments”. International Journal of Emerging Technologies in Learning (iJET) 9, no. 7 (April 27, 2014): pp. 39–46. Accessed April 25, 2024. https://online-journals.org/index.php/i-jet/article/view/3727.