KARTHIKEYAN, P.; ABIRAMI, A.M.; THANGAVEL, M. Enhancing Learner Engagement in Online Education through ADDG9E Model. Journal of Engineering Education Transformations, [S. l.], v. 37, p. 54–61, 2025. Disponível em: https://journaleet.in/index.php/jeet/article/view/2306. Acesso em: 5 dec. 2025.