M. Sagredo-Gallardo and J. González-Campos, “Collaborative Learning in Technical & Vocational Education and Training: A Mixed-Methods Quasi-Experimental Study in Chile”, jtet, vol. 17, no. 4, pp. 148–164, Dec. 2025, Accessed: Aug. 12, 2026. [Online]. Available: https://journal.uthm.edu.my/index.php/JTET/article/view/22094