Pham Thi Nhuan, Do Thi Thanh Huyen and Le Thi Thom (2020) “THOUGHT ABOUT THE WORKING MISSION OF THE WORKING CLASS IN THE WORK ‘DECLARATION OF THE COMMUNIST PARTY’ - THE MEANING OF THE PRESEN DAY”, UTEHY Journal of Science and Technology, 21, pp. 93-97. Available at: http://tapchi.utehy.edu.vn/index.php/jst/article/view/20 (Accessed: 29May2022).