Merino Orozco, Abel, Ana Arraiz Pérez, Fernando Sabirón Sierra, Pablo Usán Supervía, and Laurane Jarie. “Emerging Learning Outcomes in Under-7 Football Competition: Towards the Adherence, Dropping-Out or Aggressiveness”. Sportis. Scientific Technical Journal of School Sport, Physical Education and Psychomotricity 4, no. 1 (January 1, 2018): 184–205. Accessed May 20, 2024. https://revistas.udc.gal/index.php/SPORTIS/article/view/sportis.2018.4.1.2151.