Nawi, Amani, Nurkhamimi Zainuddin, and Lubna Abd Rahman. 2021. “The Application of Nominal Group Technique (NGT) in Evaluating the Usability of E-Learning”. International Online Journal of Language, Communication, and Humanities 4 (2), 114-33. http://103.101.244.124/journal/index.php/insaniah/article/view/121.