de-la-Peña, Cristina, et al. “Improving English Foreign Language (EFL) Performance Using Artificial Intelligence in Vocational Education and Training (VET)”. Journal of Technical Education and Training, vol. 16, no. 1, June 2024, pp. 71-83, https://publisher.uthm.edu.my/ojs/index.php/JTET/article/view/16594.