VŨ XUÂN HÙNG; CAO VĂN SÂM. Build and Improve the Vocational Training Staff in order to Meet the Requirements for the Three Levels of Training. Journal of Technical Education Science, [S. l.], v. 1, n. 2, p. 62–65, 2006. Disponível em: https://www.jte.edu.vn/index.php/jte/article/view/998. Acesso em: 7 apr. 2026.