Ngo PT, Le TH, Nguyen TTA, Vo CM, Huynh NTV, Nguyen TDT, et al. BUILDING AND STANDARDIZING A SCALE OF SURVEY QUESTIONNAIRE INDICATION OF PSYCHOLOGICAL DIFFICULTIES IN THE LEARNING ACTIVITIES OF COGNITIVE FRESH-YEAR STUDENTS OF THE FORMAL SYSTEM. CTJUMP [Internet]. 2025 Feb. 25 [cited 2026 Sep. 22];(84):155-61. Available from: https://tapchi.ctump.edu.vn/index.php/ctump/article/view/3355