Pereira, R. S., V. L. Nista-Piccolo, and S. A. P. dos Santos. “<b>Physical Education in the Initial Stages of Elementary School: the Look of a Polyvalent teacher</b&gt; - DOI: 10.4025/reveducfis.V20i3.6783”. Journal of Physical Education , Vol. 20, no. 3, Oct. 2009, pp. 343-52, https://periodicos.uem.br/ojs/index.php/RevEducFis/article/view/6783.