NGỌC THẮNGT. (2017) “Sociology Department of the Trade union university - 20 years of construction and development”, Tạp chí Nghiên cứu Khoa học Công đoàn, (9), p. 3. Available at: https://vjol.info.vn/DHCD/article/view/31997 (Accessed: 29March2026).