NGUYEN MAU DUC; DANG THANH TRA; NGUYEN NHAT LINH; NGUYEN THI ANH THU. ENHANCING TEACHERS’ DIGITAL COMPETENCE THROUGH A DIGITAL LEARNING RESOURCE ECOSYSTEM FOR THE “SUBSTANCES AND TRANSFORMATION OF SUBSTANCES” MODULE IN GRADE 9 NATURAL SCIENCE. HNUE Journal of Science: Journal of Educational Science, [S. l.], v. 71, n. 6, p. 75–85, 2026. DOI: 10.18173/2354-1075.2026-%x. Disponível em: https://hnuejs.edu.vn/es/article/view/1497. Acesso em: 14 oct. 2026.