RIZQI , Nur Rahmi; ARINI , Lilis. 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), Jordan, v. 54, n. 4, p. 186–195, 2020. Disponível em: https://www.gssrr.org/JournalOfBasicAndApplied/article/view/11899. Acesso em: 16 dec. 2025.