DIFFERENCES IN PHYSICAL ACTIVITY MOTIVES AND CAUSES OF NON-PARTICIPATION IN PHYSICAL ACTIVITIES BETWEEN BOYS AND GIRLS IN PRIMARY SCHOOLS. FIEP-Bulletinn [Internet]. 31º de outubro de 2014 [citado 7º de junho de 2025];83(3). Disponível em: https://ojs.fiepbulletin.net/fiepbulletin/article/view/4752