Phan, Thi Hiep. “Designing Experiential-Based Process of STEM Learning Situations for Solving Math Questions on Area Theme for Grade 5”. Social Sciences and Humanities Issue 12, no. 3 (April 12, 2023): 38–45. Accessed September 11, 2026. https://dthujs.vn/index.php/sshen/article/view/1278.