Pham Ngoc S. Exploring the Relationship between Self-esteem and Optimistic-Pessimistic Attitudes in English Majors at Ho Chi Minh City University of Industry and Trade. J. Knowl. Learn. Sci. Technol. [Internet]. 2024 Mar. 29 [cited 2025 Sep. 17];3(1):106-19. Available from: https://jklst.org/index.php/home/article/view/87