PHAM NGOC, Son. 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), [S. l.], v. 3, n. 1, p. 106–119, 2024. DOI: 10.60087/jklst.vol3.n1.p119. Disponível em: https://jklst.org/index.php/home/article/view/87.. Acesso em: 17 sep. 2025.