Acella A, Cataldi S, Fischietti F, Greco G. Physical fitness of young Italian students: effectiveness of a 12-week supervised extracurricular training. IJEduR [Internet]. 2017 Jul. 21 [cited 2024 Nov. 21];(18):99-114. Available from: https://ojs.pensamultimedia.it/index.php/sird/article/view/2260