Reverter Masià J, Plaza Montero D, Jové Deltell M del C, Hernández González V. Actividad físico-deportiva extraescolar en alumnos de primaria: el caso de Torrevieja (Alicante) (Extracurricular physical and sports activities in elementary students: the case of Torrevieja (Alicante)). Retos [Internet]. 2014 Jan. 1 [cited 2025 Sep. 21];25:48-52. Available from: http://207.180.252.49/index.php/retos/article/view/34476