Chi, Nguyen Phuong. “A Comparative Study of the Probability and Statistics Curricula in the High School Mathematics Textbooks of Vietnam and Germany”. International Journal of Education and Practice 10, no. 2 (March 21, 2022): 69–83. Accessed March 17, 2025. https://archive.conscientiabeam.com/index.php/61/article/view/2942.