YOW, J. A. Leadership From Within Secondary Mathematics Classrooms: Vignettes Along a Teacher-Leader Continuum. Journal of Mathematics Education at Teachers College, [S. l.], v. 4, n. 1, 2013. DOI: 10.7916/jmetc.v4i1.777. Disponível em: https://journals-test.library.columbia.edu/index.php/jmetc/article/view/777. Acesso em: 27 nov. 2024.