de Juan EP, García Martínez S, Valero AF. Necesidades psicológicas básicas asociadas en la práctica de deporte individual y colectivo (Basic psychological needs associated with the practice of individual and collective sport). Retos [Internet]. 2021 Oct. 1 [cited 2025 Dec. 16];42:500-6. Available from: http://www.revistaretos.org/index.php/retos/article/view/87480