da Conceição Lettnin, Carla, Priscila Lima Batista, and Luciana Neves Nunes. “(Un)serious Physical Education and the Opportunity for Equity in the Motivation of Boys and Girls”. Motrivivência 34, no. 65 (September 1, 2022). Accessed August 31, 2024. https://periodicos.ufsc.br/index.php/motrivivencia/article/view/86025.