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 JoES [Internet]. 2024 Oct. 2 [cited 2026 Jul. 12];69(4A):174-86. Available from: https://hnuejs.edu.vn/es/article/view/534