Zubiaur González, Marta, and Melania del Riego Casado. 2015. “Motivaciones E Intereses De Practicantes De BMX Adolescentes: Un Estudio Piloto (Motivations and Interests of Practicing Teenagers of BMX: A Pilot Study)”. Retos 27 (January): 109-13. https://doi.org/10.47197/retos.v0i27.34358.