“Some solutions to improve the effectiveness of teaching and learning subjects of Marxism - Leninism Science at universities” (2016) Tạp chí Nghiên cứu Khoa học Công đoàn, (5), p. 51. Available at: https://vjol.vista.gov.vn/DHCD/article/view/25282 (Accessed: 9 June 2026).