HOA, A. T.; PHAN, V. L.; ĐINH, H. T. A. DESIGNING TEACHING SITUATIONS ON THE TOPIC OF TRIANGLES TO CULTIVATE MATHEMATICAL COMMUNICATION COMPETENCE FOR GRADE 7 STUDENTS. Hong Duc University Journal of Science, [S. l.], v. 85, n. 3, p. 58-67, 2026. DOI: 10.70117/hdujs.85.3.2026.929. Disponível em: https://hdujs.edu.vn/index.php/hdujs/article/view/929. Acesso em: 17 may. 2026.