CASIPIT, Antonette. Mathematical Communication and Problem-Posing Skills Among Grade 6 Pupils. International Journal of Education, Research, and Innovation Perspectives, Philippines, v. 2, n. 4, p. 1190–1200, 2026. DOI: 10.5281/zenodo.19717552. Disponível em: https://ijerip.erio.org.ph/index.php/articles/article/view/489. Acesso em: 30 apr. 2026.