Vo XM, Nguyen TMN. Building a system of exercises to assess mathematics problem-solving competence for students grade 10 in teaching quadratic inequalities. Dong Thap University Journal of Science [Internet]. 2023 Jul. 30 [cited 2024 Sep. 19];12(03S):74-8. Available from: https://dthujs.vn/index.php/dthujs/article/view/952