The Use of Outside Educational Materials in Mathematics and Science: Teachers’ Conceptions. International Journal of Education in Mathematics, Science and Technology, [S. l.], v. 9, n. 2, p. 314–331, 2021. DOI: 10.46328/ijemst.1150. Disponível em: https://ijemst.com/index.php/ijemst/article/view/484. Acesso em: 30 jul. 2025.