Nghia, . T. L. H. . (2016) “The Relationship between University Students, Beliefs, Engagement and Achievements of Oral Presentation Skills: A Case Study in Vietnam”, International Journal of Learning, Teaching and Educational Research, 15(11), pp. 52–70. Available at: https://ijlter.myres.net/index.php/ijlter/article/view/874 (Accessed: 29 August 2026).