Rodrigues, Margarida, Raquel Fernández Cézar, e João Rosa. 2017. “Attitudes towards Mathematics in Pre-Service Teacher Training: A Comparative Study Between Spain and Portugal Focusing on Anxiety”. Revista Internacional De Pesquisa Em Educação Matemática 7 (2): 71-87. https://www.sbembrasil.org.br/periodicos/index.php/ripem/article/view/1232.