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. 知识学习与科学技术期刊 ISSN：2959-6386（在线）, v. 3, n. 1, p. 106–119, 29 3月2024.