Tra, Do Huong, and Nguyen Thi Dieu Linh. “A Competence Model to Assess and Develop Designing Competence Assessment Tool”. International Journal of Learning, Teaching and Educational Research 20, no. 2 (February 28, 2021): 81–103. Accessed April 17, 2026. http://www.ijlter.myres.net/index.php/ijlter/article/view/151.