THỊ GIANGVŨ, and THỊ MINH THÚYNGUYỄN. “Presentation Skills – One of the Determinants of the Effectiveness of Union Fficials”. Tạp chí Nghiên cứu Khoa học Công đoàn, no. 12 (August 20, 2018): 40. Accessed June 16, 2026. https://vjol.info.vn/DHCD/article/view/36738.