Exploring the Characteristics of Classroom Introductions by Young Junior High School Mathematics Teachers: Evidence from a National Video-Based Teaching Competition. iEducation, [S. l.], v. 1, n. 1, p. 64–76, 2025. DOI: 10.71204/xg9k4s37. Disponível em: https://ie.cscholar.com/article/view/1000094. Acesso em: 2 aug. 2025.