CAMPILLA , Jonathan; CASTAÑAGA , Vener Abiett. Teaching Strategies Utilized by Mathematics Teachers in the 21st-Century. International Journal of Sciences: Basic and Applied Research (IJSBAR), Jordan, v. 59, n. 2, p. 140–160, 2021. Disponível em: https://www.gssrr.org/JournalOfBasicAndApplied/article/view/12854. Acesso em: 18 sep. 2025.