Traldi Júnior, Armando, and Célia Maria Carolino Pires. “A Collaborative Group and the Professional Development of Instructors of Mathematics Teachers ”. Zetetike 17, no. 1 (December 19, 2009): 47–84. Accessed May 19, 2024. https://periodicos.sbu.unicamp.br/ojs/index.php/zetetike/article/view/8646724.