Nguyen DH, Trang TNN. Developing practical problem-solving competence through teaching the topic of quantitative in triangle and vector – grade 10 mathematics. Dong Thap University Journal of Science [Internet]. 2024 Aug. 9 [cited 2024 Sep. 19];13(01S):175-86. Available from: https://dthujs.vn/index.php/dthujs/article/view/1642