Ngan, Vu Kim, Nguyen Lan Ngoc, and Nguyen Xuan Thu. “Enhancing Problem-Solving Skills for Primary Students through Interdisciplinary STEM Activities”. Tennessee Research International of Social Sciences 7, no. 2 (November 21, 2025): 212–221. Accessed June 25, 2026. http://triss.org/index.php/journal/article/view/118.