Thi Lam, B.; Hong Thuan, N.; Tuan Vinh, N.; Thi Nhung, L. GRATITUDE OF PRESCHOOL CHILDREN SCALES IN THE WORLD AND DIRECTIONS FOR SCALE DEVELOPMENT IN THE CONTEXT OF VIETNAM. HNUE Journal of Science: Educational Science 2024, 69 (4A), 174-186. https://doi.org/10.18173/2354-1075.2024-0091.