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. JTE [Internet]. 2006 Dec. 28 [cited 2026 Apr. 7];1(2):62-5. Available from: https://www.jte.edu.vn/index.php/jte/article/view/998