MINH DUC, Vu. INDICATORS OF HIGH SCHOOL STUDENTS’ SELF-STUDY COMPETENCY IN MATHEMATICS. HNUE Journal of Science: Journal of Educational Science, [S. l.], v. 70, n. 6, p. 140–151, 2025. DOI: 10.18173/2354-1075.2025-0117. Disponível em: https://hnuejs.edu.vn/es/article/view/901. Acesso em: 11 jul. 2026.