Espada, M., Martín, M., Jiménez, V., del Hierro, D., Santacruz, J.-A., & Jímenez-Beatty, J.-E. (2019). Organizational aspects of adults’ sports habits in Spain: gender and social differences. Motricidade, 15(1), 24–32. https://doi.org/10.6063/motricidade.13997