TRẦN , Khai Xuân. PRELIMINARY RESEARCH ON DEVELOPING TRAINING PLATFORM FOR SECONDARY AND HIGH SCHOOL TEACHERS VIA E-LEARNING. Ho Chi Minh City University of Education Journal of Science, [S. l.], v. 16, n. 10, p. 506, 2019. DOI: 10.54607/hcmue.js.16.10.2414(2019). Disponível em: https://journal.hcmue.edu.vn/index.php/hcmuejos/article/view/2414. Acesso em: 20 apr. 2026.