Borba, M. de C., Neves, L. X., & Domingues, N. S. (2018). Teacher’s practice through the fourth phase of digital technologies: video production as a collaborative action in Math classes. Em Teia | Revista De Educação Matemática E Tecnológica Iberoamericana, 9(2). https://doi.org/10.36397/emteia.v9i2.237635