CAMPILLA , J. .; CASTAÑAGA , V. A. . Teaching Strategies Utilized by Mathematics Teachers in the 21st-Century. International Journal of Sciences: Basic and Applied Research (IJSBAR), [S. l.], v. 59, n. 2, p. 140–160, 2021. Disponível em: https://gssrr.org/index.php/JournalOfBasicAndApplied/article/view/12854. Acesso em: 27 apr. 2024.