Pham Ngoc, S. (2024). Exploring the Relationship between Self-esteem and Optimistic-Pessimistic Attitudes in English Majors at Ho Chi Minh City University of Industry and Trade. Journal of Knowledge Learning and Science Technology ISSN: 2959-6386 (online), 3(1), 106-119. https://doi.org/10.60087/jklst.vol3.n1.p119