The Application of Nominal Group Technique (NGT) in Evaluating the Usability of E-learning. International Online Journal of Language, Communication, and Humanities (INSANIAH), [S. l.], v. 4, n. 2, p. 114–133, 2021. DOI: 10.47254/w516bf97. Disponível em: https://journal.umk.edu.my/index.php/insaniah/article/view/1797. Acesso em: 31 dec. 2025.