The Employment of Active Learning Strategies by Mathematics Teachers and the Obstacles to their Use. Journal of Educational and Social Research, London, U.K., v. 13, n. 3, p. 253, 2023. DOI: 10.36941/jesr-2023-0074. Disponível em: https://www.richtmann.org/journal/index.php/jesr/article/view/13351.. Acesso em: 18 jul. 2024.