Magalhães Barbosa, Raquel Firmino, Maria Cecília da Silva Camargo, and André da Silva Mello. “The Complexity of Playing in Early Childhood Education: Reflections on the Ludic-Agressive Play”. Journal of Physical Education 31, no. 1 (July 4, 2020): e-3156. Accessed September 30, 2025. https://periodicos.uem.br/ojs/index.php/RevEducFis/article/view/46869.