RIZQI , N. R. .; ARINI , L. . The Developing of Teaching Materials Oriented to Problem-Based Learning to Improve Students’ Mathematical Communication Ability. International Journal of Sciences: Basic and Applied Research (IJSBAR), [S. l.], v. 54, n. 4, p. 186–195, 2020. Disponível em: https://gssrr.org/index.php/JournalOfBasicAndApplied/article/view/11899. Acesso em: 26 apr. 2024.