Hernández, A., Sánchez Matas, Y., & Nieto, C. M. (2023). Autoconcepto y Actividad física en escolares de 6º curso de Educación Primaria (Self-concept and Physical Activity in 6th grade Primary School Students). Retos, 47, 61–68. https://doi.org/10.47197/retos.v47.94640