Nguyen, Quoc Ai, Nam Hong Dao, Tuong Anh Hoa, and Ngoc-Giang Nguyen. “Teaching Conditional Probability in Grade 12 Using Realistic Mathematics Education Theory”. Journal on Mathematics Education 16, no. 2 (June 30, 2025): 603–632. Accessed August 20, 2025. https://jme.ejournal.unsri.ac.id/index.php/jme/article/view/3562.