Duong, Huy Can. “Curriculum of the Natural-Social Subject, Science, History and Geography in Primary Education in the New K-12 Education Program”. Dong Thap University Journal of Science 10, no. 1 (February 10, 2021): 20–25. Accessed September 8, 2024. https://dthujs.vn/index.php/dthujs/article/view/389.