LEE, J. K.; LICWINKO, S.; TAYLOR-BUCKNER, N. Exploring Mathematical Reasoning of the Order of Operations: Rearranging the Procedural Component PEMDAS. Journal of Mathematics Education at Teachers College, [S. l.], v. 4, n. 2, 2013. DOI: 10.7916/jmetc.v4i2.633. Disponível em: https://journals.library.columbia.edu/index.php/jmetc/article/view/633. Acesso em: 22 may. 2022.